{ "id": "epnwww955m", "slug": "coprecipitation", "title": "Coprecipitation", "updated": "2026-10-15", "topic_path": [ { "id": "physical", "label": "Physical world and mathematics", "api_url": "https://www.edgepedia.org/api/v1/topics/physical" }, { "id": "physical.chemistry", "label": "Chemistry", "api_url": "https://www.edgepedia.org/api/v1/topics/physical.chemistry" }, { "id": "physical.chemistry.methods", "label": "Chemical principles and methods", "api_url": "https://www.edgepedia.org/api/v1/topics/physical.chemistry.methods" }, { "id": "physical.chemistry.methods.chemical-synthesis", "label": "Chemical synthesis", "api_url": "https://www.edgepedia.org/api/v1/topics/physical.chemistry.methods.chemical-synthesis" }, { "id": "physical.chemistry.methods.chemical-synthesis.inorganic-organometallic-synthesis", "label": "Inorganic and organometallic synthesis", "api_url": "https://www.edgepedia.org/api/v1/topics/physical.chemistry.methods.chemical-synthesis.inorganic-organometallic-synthesis" } ], "geo": [ { "id": "geo.nongeo.t1800.physical.chemistry.methods.chemical-synthesis", "label": "Non-geographic · 1800 to 1945: Chemical synthesis", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.t1800.physical.chemistry.methods.chemical-synthesis", "path": [ { "id": "geo.nongeo", "label": "Non-geographic", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo" }, { "id": "geo.nongeo.t1800", "label": "Non-geographic · 1800 to 1945", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.t1800" }, { "id": "geo.nongeo.t1800.physical", "label": "Physical world and mathematics", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.t1800.physical" }, { "id": "geo.nongeo.t1800.physical.chemistry", "label": "Chemistry", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.t1800.physical.chemistry" }, { "id": "geo.nongeo.t1800.physical.chemistry.methods", "label": "Chemical principles and methods", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.t1800.physical.chemistry.methods" }, { "id": "geo.nongeo.t1800.physical.chemistry.methods.chemical-synthesis", "label": "Chemical synthesis", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.t1800.physical.chemistry.methods.chemical-synthesis" } ] }, { "id": "geo.nongeo.t1946.physical.chemistry.methods.chemical-synthesis", "label": "Non-geographic · 1946 to 2000: Chemical synthesis", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.t1946.physical.chemistry.methods.chemical-synthesis", "path": [ { "id": "geo.nongeo", "label": "Non-geographic", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo" }, { "id": "geo.nongeo.t1946", "label": "Non-geographic · 1946 to 2000", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.t1946" }, { "id": "geo.nongeo.t1946.physical", "label": "Physical world and mathematics", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.t1946.physical" }, { "id": "geo.nongeo.t1946.physical.chemistry", "label": "Chemistry", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.t1946.physical.chemistry" }, { "id": "geo.nongeo.t1946.physical.chemistry.methods", "label": "Chemical principles and methods", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.t1946.physical.chemistry.methods" }, { "id": "geo.nongeo.t1946.physical.chemistry.methods.chemical-synthesis", "label": "Chemical synthesis", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.t1946.physical.chemistry.methods.chemical-synthesis" } ] } ], "excerpt": "Coprecipitation is a solution-phase synthesis method where two or more substances precipitate simultaneously from a common solution, yielding precursors for battery cathodes, catalysts, and magnetic nanoparticles.", "snippet": "Coprecipitation is a solution-phase synthesis method where two or more substances precipitate simultaneously from a common solution, yielding precursors for battery cathodes, catalysts, and magnetic nanoparticles.", "node": "physical.chemistry.methods.chemical-synthesis.inorganic-organometallic-synthesis", "markdown": "# Coprecipitation\n\nCoprecipitation is a solution-phase synthesis method in which two or more substances are precipitated simultaneously from a common solution, yielding mixed-metal hydroxides, carbonates, or oxalates that are subsequently converted to oxides, ferrites, and battery cathode precursors.[1](https://pubs.rsc.org/en/content/articlelanding/2020/ce/c9ce00679f) The same term also names a classical technique for separation and preconcentration in [trace element analysis](https://www.edgepedia.org/trace-element-analysis).[2](https://onlinelibrary.wiley.com/doi/10.1002/9780470027318.a9065) In materials synthesis it is among the most reported routes to precursors for lithium-ion battery active materials, valued for simplicity, scalability, atomic-scale mixing, and tunable particle morphology.[1](https://pubs.rsc.org/en/content/articlelanding/2020/ce/c9ce00679f) Many of the earliest nanoparticle syntheses were achieved by coprecipitating sparingly soluble products from aqueous solution followed by thermal decomposition to oxides.[3](https://www.eng.uc.edu/~beaucag/Classes/Nanopowders/OConnorCJReviewofNanoSynthesis.pdf)\n\n| Key fact | Detail |\n|---|---|\n| Products | Mixed-metal hydroxide, carbonate, or oxalate precursors; oxides, ferrites, and cathode materials after calcination[1](https://pubs.rsc.org/en/content/articlelanding/2020/ce/c9ce00679f) • [3](https://www.eng.uc.edu/~beaucag/Classes/Nanopowders/OConnorCJReviewofNanoSynthesis.pdf) |\n| Governing variable | Supersaturation \\( S = C/C_{\\mathrm{eq}} \\), the ratio of solute concentration to equilibrium solubility[3](https://www.eng.uc.edu/~beaucag/Classes/Nanopowders/OConnorCJReviewofNanoSynthesis.pdf) |\n| Typical particle size | ~5–8 nm superparamagnetic magnetite from Fe\\(^{3+}\\)/Fe\\(^{2+}\\) salts with NH\\(_4\\)OH below 60 °C[4](https://doi.org/10.1016/j.heliyon.2024.e25781) |\n| Industrial example | Cu:Zn:Al ≈ 60:30:10 hydroxycarbonates precipitated at pH 6.5, aged 3 h, calcined at 330 °C for methanol-synthesis catalysts[5](https://pure.mpg.de/rest/items/item_766590_8/component/file_1417628/content) |\n| Battery precursor route | Ni\\(_x\\)Co\\(_y\\)Mn\\(_z\\)(OH)\\(_2\\) from mixed metal sulfate, NaOH, and NH\\(_3\\) fed simultaneously to a stirred tank under nitrogen[6](https://iopscience.iop.org/article/10.1149/1945-7111/ad050b) |\n| Main limitation | Agglomeration from rapid local concentration rise on precipitant addition; composition drift from the feed ratio[7](https://www.mdpi.com/2075-4701/13/1/152) • [1](https://pubs.rsc.org/en/content/articlelanding/2020/ce/c9ce00679f) |\n\n## How it works\n\nPrecipitation is governed by supersaturation, \\( S = C/C_{\\mathrm{eq}} \\), where \\( C \\) is the solute concentration and \\( C_{\\mathrm{eq}} \\) the equilibrium solubility set by the solubility product \\( K_{\\mathrm{sp}} \\); the difference \\( \\Delta C = C - C_{\\mathrm{eq}} \\) is the driving force.[3](https://www.eng.uc.edu/~beaucag/Classes/Nanopowders/OConnorCJReviewofNanoSynthesis.pdf) Nucleated particles with radius \\( R > R^{*} \\), the critical radius, grow, while those with \\( R < R^{*} \\) dissolve. The homogeneous nucleation rate \\( R_{N} \\) depends exponentially on supersaturation and is negligible until a critical supersaturation \\( S^{*} \\) is reached.[3](https://www.eng.uc.edu/~beaucag/Classes/Nanopowders/OConnorCJReviewofNanoSynthesis.pdf)\n\nNucleation and growth set the size distribution. To obtain nanoparticles, nucleation must be relatively fast while growth remains relatively slow; a narrow distribution requires that all nuclei form in a single burst with no subsequent nucleation.[3](https://www.eng.uc.edu/~beaucag/Classes/Nanopowders/OConnorCJReviewofNanoSynthesis.pdf) Growth is usually diffusion-limited, so concentration gradients and temperature dominate.[3](https://www.eng.uc.edu/~beaucag/Classes/Nanopowders/OConnorCJReviewofNanoSynthesis.pdf) In semi-batch precipitation of Ni\\(_{0.8}\\)Co\\(_{0.1}\\)Mn\\(_{0.1}\\)(OH)\\(_2\\), growth divides into a seeding stage, where particle number rises at roughly constant size, and a growth stage, where number is constant and size increases; the transition is governed mainly by the solid mass fraction in the reactor.[6](https://iopscience.iop.org/article/10.1149/1945-7111/ad050b)\n\nA terminological caveat matters: some sources reserve the term co-precipitation for cases where a mixed-metal double salt of specific stoichiometry is the most insoluble species in solution, calling all other cases the simultaneous precipitation of two or more separate insoluble species; in the materials-synthesis literature, however, coprecipitation is commonly used for the simultaneous precipitation of multiple components regardless of whether a double salt forms.[8](https://my.che.utah.edu/~ring/Publications-PDFs/MS-1.pdf)\n\n## How it is done\n\nThe workflow has five stages: precursor solution preparation, precipitation with an alkali hydroxide or ammonia agent, aging, washing and drying, and calcination to convert the hydroxide to oxide.[9](https://www.mdpi.com/2073-4352/14/10/899) Reviews of magnetic nanomaterials describe the same sequence as selecting a precipitant, precipitating, filtering, washing, and drying.[7](https://www.mdpi.com/2075-4701/13/1/152)\n\nA fully specified industrial example is the carbonate route to Cu/ZnO/Al\\(_2\\)O\\(_3\\) methanol catalysts: about 1 M metal salt solutions with sodium carbonate as precipitant, Cu:Zn:Al ≈ 60:30:10, precipitation at pH 6.5 and 60–70 °C, aging 3 h in the mother liquor, then calcination at 330 °C for 3 h.[5](https://pure.mpg.de/rest/items/item_766590_8/component/file_1417628/content) The pH window is tight: it should stay above pH 5 to guarantee complete Zn precipitation and below pH 9, because in very basic solution oxolation of basic copper into stable tenorite (CuO) is favored.[5](https://pure.mpg.de/rest/items/item_766590_8/component/file_1417628/content)\n\n## Origin\n\nThe theoretical foundation lies in analytical chemistry. I. M. Kolthoff published \"Theory of Coprecipitation. The Formation and Properties of Crystalline Precipitates\" in The Journal of Physical Chemistry in 1932.[10](https://doi.org/10.1021/j150333a008) The homogeneous-precipitation lineage runs through the book *Precipitation from Homogeneous Solution* by Louis Gordon, Marcel J. F. Salutsky, and James D. Willard, published by Wiley in 1959, which was reviewed in [Physics Today](https://www.edgepedia.org/physics-today),[11](https://doi.org/10.1063/1.3060981) and E. Rolia's 1974 classification of coprecipitation mechanisms in hydrometallurgical processing.[12](https://doi.org/10.4095/300313) No published source names a founding paper for coprecipitation as a materials-synthesis method; the documented link is that many of the earliest nanoparticle syntheses used coprecipitation followed by thermal decomposition.[3](https://www.eng.uc.edu/~beaucag/Classes/Nanopowders/OConnorCJReviewofNanoSynthesis.pdf)\n\n## Variants\n\n**Constant-pH versus uncontrolled pH.** Constant-pH co-precipitation is a standard technique for catalyst precursors and is called the method of low supersaturation.[13](https://doi.org/10.1016/j.cattod.2014.07.050) In the conventional nitrate route to CuZnAl, if the precipitating agent is poured into the acidic metal solution, the metals solidify sequentially under uncontrolled increasing pH and never truly coprecipitate; constant-pH operation forces a metastable, usually amorphous zincian georgeite that ages into zincian malachite.[5](https://pure.mpg.de/rest/items/item_766590_8/component/file_1417628/content)\n\n**Hydroxide, carbonate, and oxalate routes.** [Hydroxide](https://www.edgepedia.org/hydroxide) coprecipitation, the earliest route for transition-metal oxide battery materials, uses ammonia or ammonium salts as chelating agents to produce dense spherical particles, but requires inert atmosphere because Mn\\(^{2+}\\) oxidizes in air to MnOOH and MnO\\(_2\\) impurities.[1](https://pubs.rsc.org/en/content/articlelanding/2020/ce/c9ce00679f) [Carbonate](https://www.edgepedia.org/carbonate) coprecipitation keeps common transition-metal cations divalent at typical pH, so no inert gas is needed, but stronger ammonia coordination to nickel causes a Ni deficit in the coprecipitate.[1](https://pubs.rsc.org/en/content/articlelanding/2020/ce/c9ce00679f) In oxalate routes, significant Mn deficiency arises from the higher solubility of Mn oxalate; it was improved with ammonium oxalate, and 90 °C was needed to avoid Mn-rich α-oxalate and Mn-lean β-oxalate phases.[1](https://pubs.rsc.org/en/content/articlelanding/2020/ce/c9ce00679f) An oxalate coprecipitation route for spinel ferrites was reported by Stefano Diodati and colleagues in 2013 in the European Journal of Inorganic Chemistry.[14](https://doi.org/10.1002/ejic.201301250)\n\n**Homogeneous precipitation.** Homogeneous precipitation was applied to Cu-based catalysts by Yu-Kai Lin and colleagues in 2009 in the Journal of Materials Chemistry.[15](https://doi.org/10.1039/b912253b)\n\n**Flow and electrochemical adaptations.** Slug-flow coprecipitation of uniformly sized oxalate microparticles for NMC811 cathodes was reported by Mingyao Mou and colleagues in 2023 in ACS Applied Energy Materials.[16](https://doi.org/10.1021/acsaem.2c03563) Micromixer-assisted coprecipitation for fast synthesis of layered Ni-rich materials was reported by Mingyue Liu and colleagues in 2019 in ChemElectroChem,[17](https://doi.org/10.1002/celc.201900511) and a microreactor-assisted green synthesis of Li\\(_{1.2}\\)Mn\\(_{0.6}\\)Ni\\(_{0.2}\\)O\\(_2\\) was reported by Jianwu Yang and Yangcheng Lu in 2023 in Industrial & Engineering Chemistry Research.[18](https://doi.org/10.1021/acs.iecr.3c02558) The ePCAM process replaces NaOH with hydroxide ions generated electrochemically from water splitting in a three-compartment cell, avoiding the sodium sulfate wastewater byproduct; the resulting Ni\\(_{0.91}\\)Co\\(_{0.045}\\)Mn\\(_{0.045}\\)(OH)\\(_2\\) matched conventionally prepared material in composition and XRD pattern, and the single-crystalline cathode made from it delivered a discharge capacity of nearly 220 mAh g\\(^{-1}\\).[19](https://iopscience.iop.org/article/10.1149/1945-7111/ade3a9) A 2026 vortex microreactor achieved ≤0.62 ms molecular-scale mixing during coprecipitation of sodium-ion layered-oxide carbonate precursors, giving near-complete transition-metal homogenization and a P2-type cathode that retained 90% of its 150 mA g\\(^{-1}\\) capacity at 3000 mA g\\(^{-1}\\).[20](https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/aic.70345)\n\n**Machine-learning control.** A 2026 closed-loop framework combining a diffusion-based image generator, quantitative SEM morphology analysis, and particle swarm optimization enabled inverse design of coprecipitation conditions (pH, NaOH/NH\\(_4\\)OH concentration, reaction time) for Li- and Mn-rich cathode precursors; the model tracked experimental texture with \\( R^{2} = 0.98 \\) and D\\(_{50}\\) trajectories with \\( R^{2} = 0.91 \\).[21](https://pubs.rsc.org/en/content/articlehtml/2026/mh/d5mh01850a)\n\n## Applications\n\n**Battery cathode precursors.** Industrial cathode active material production coprecipitates Ni\\(_x\\)Co\\(_y\\)Mn\\(_z\\)(OH)\\(_2\\) in a stirred tank reactor by simultaneous feeding of mixed metal sulfate, NaOH, and NH\\(_3\\) solutions under nitrogen, followed by calcination with a lithium compound.[6](https://iopscience.iop.org/article/10.1149/1945-7111/ad050b) A review by Hongxu Dong and Gary M. Koenig (2019) covers this field.[1](https://pubs.rsc.org/en/content/articlelanding/2020/ce/c9ce00679f)\n\n**Catalysts.** Coprecipitation of mixed Cu,Zn,Al hydroxycarbonates is the precursor step for industrial Cu/ZnO/Al\\(_2\\)O\\(_3\\) methanol synthesis catalysts; empirical optimization often outpaces mechanistic understanding, sometimes generalized as the \"black magic\" of catalyst synthesis.[13](https://doi.org/10.1016/j.cattod.2014.07.050) Layered double hydroxide coprecipitated precursors yield highly loaded base-metal and highly dispersed noble-metal catalysts with increased thermal stability.[13](https://doi.org/10.1016/j.cattod.2014.07.050)\n\n**Magnetic nanoparticles.** Chemical coprecipitation is widely used for magnetic nanomaterials because of its simplicity, low cost, and easily controlled conditions.[7](https://www.mdpi.com/2075-4701/13/1/152) For Fe\\(_3\\)O\\(_4\\), soluble Fe\\(^{2+}\\)/Fe\\(^{3+}\\) salts with ammonia follow \\( 8\\mathrm{OH}^{-} + \\mathrm{Fe}^{2+} + 2\\mathrm{Fe}^{3+} = \\mathrm{Fe}_{3}\\mathrm{O}_{4}\\downarrow + 4\\mathrm{H}_{2}\\mathrm{O} \\); the theoretical n(Fe\\(^{2+}\\))/n(Fe\\(^{3+}\\)) ratio is 1:2, but experiments show 1:1.25.[7](https://www.mdpi.com/2075-4701/13/1/152) A Fe\\(^{3+}\\):Fe\\(^{2+}\\) ratio of 2:1 to 10:1 at alkaline pH (>8) is reported as necessary to guarantee magnetite formation at room temperature.[4](https://doi.org/10.1016/j.heliyon.2024.e25781) A one-pot aqueous route to Co\\(_x\\)Mn\\(_{1-x}\\)Fe\\(_2\\)O\\(_4\\) nanoferrites with dual control of size and magnetic properties was reported by Carlos Fernandes and colleagues in 2014 in the Journal of Materials Chemistry C.[22](https://doi.org/10.1039/c4tc00429a)\n\n**Analytical separations.** Coprecipitation remains a classical technique for separation and preconcentration in trace element analysis, with simpler handling than solvent extraction or solid-phase extraction.[2](https://onlinelibrary.wiley.com/doi/10.1002/9780470027318.a9065)\n\n## Limitations and alternatives\n\n**Failure modes.** Agglomeration is a main failure mode, caused by the rapid local concentration rise when the precipitant is added; precipitant-addition strategy is therefore a common research problem.[7](https://www.mdpi.com/2075-4701/13/1/152) In the absence of a stabilizer, agglomeration of small precipitated particles is practically inevitable, and stabilization requires steric or electrostatic repulsion.[3](https://www.eng.uc.edu/~beaucag/Classes/Nanopowders/OConnorCJReviewofNanoSynthesis.pdf) Composition deviates from the feed ratio in hydroxide, carbonate, and oxalate routes, significantly at low concentrations where slow precipitation is used to tune morphology.[1](https://pubs.rsc.org/en/content/articlelanding/2020/ce/c9ce00679f) Chemical segregation depends on the relative rates of nucleation, growth, and aggregation, with hetero-aggregation the most important factor; it is minimized by precipitating at high supersaturation above the critical nucleation value, and segregation is often lost during calcination by interdiffusion.[8](https://my.che.utah.edu/~ring/Publications-PDFs/MS-1.pdf) Products precipitated at or near room temperature are usually amorphous, and for calcined mixed hydroxides or carbonates it is extremely difficult to determine whether the precursor is a single-phase solid solution or a nearly homogeneous multiphase mixture.[3](https://www.eng.uc.edu/~beaucag/Classes/Nanopowders/OConnorCJReviewofNanoSynthesis.pdf) In one comparison the coprecipitation method produced the largest number of impurities (iron hydroxides and oxyhydroxides) with no control over size or composition.[23](https://docta.ucm.es/rest/api/core/bitstreams/2cc1f651-307a-427a-a2d0-27110e58fb92/content)\n\n**Comparisons.** A comparative review rates precipitation/coprecipitation as simple, inexpensive, and suitable for large-scale production, but difficult to control for particle size and shape and prone to agglomeration; sol-gel offers good size and shape control but is time-consuming and impurity-sensitive; hydrothermal gives high purity and control but requires high pressure and temperature.[9](https://www.mdpi.com/2073-4352/14/10/899) For magnetic nanomaterials, coprecipitation is favored over sol-gel (expensive raw materials, poor sintering, high drying shrinkage, easy agglomeration) and hydrothermal (equipment and safety limits) on cost and simplicity.[7](https://www.mdpi.com/2075-4701/13/1/152) The picture is material-specific: in one Ni\\(_{0.5}\\)Zn\\(_{0.5}\\)Fe\\(_2\\)O\\(_4\\) study, sol-gel auto-combustion was superior to coprecipitation for producing single-phase nanoparticles with smaller crystallite size.[24](https://www.sciencedirect.com/science/article/pii/S1319610313000367) Under identical conditions for [nickel ferrite](https://www.edgepedia.org/nickel-ferrite) (60 °C, 30 min, NaOH), coprecipitation and sonochemistry gave ~5–10 nm multiphase superparamagnetic particles, while electrochemical routes gave monodisperse 30–40 nm near-stoichiometric ferromagnetic particles.[23](https://docta.ucm.es/rest/api/core/bitstreams/2cc1f651-307a-427a-a2d0-27110e58fb92/content)\n\n## References\n\n1. [Dong & Koenig, A review on synthesis and engineering of crystal precursors produced via coprecipitation for multicomponent lithium-ion battery cathode materials (CrystEngComm 2020, 22, 1514–1530)](https://pubs.rsc.org/en/content/articlelanding/2020/ce/c9ce00679f)\n2. [Encyclopedia of Analytical Chemistry, Coprecipitation in Trace Element Analysis](https://onlinelibrary.wiley.com/doi/10.1002/9780470027318.a9065)\n3. [O'Connor et al., Review of nanoparticle synthesis via coprecipitation (author-hosted copy of peer-reviewed review)](https://www.eng.uc.edu/~beaucag/Classes/Nanopowders/OConnorCJReviewofNanoSynthesis.pdf)\n4. [The effect of temperature on the synthesis of magnetite nanoparticles by the coprecipitation method (Heliyon, 2024)](https://doi.org/10.1016/j.heliyon.2024.e25781)\n5. [Understanding the complexity of a catalyst synthesis: Co-precipitation of mixed Cu,Zn,Al hydroxycarbonate precursors (Appl. Catal. A; Max Planck repository copy)](https://pure.mpg.de/rest/items/item_766590_8/component/file_1417628/content)\n6. [Investigation of the Particle Formation Mechanism during Coprecipitation of Ni-Rich Hydroxide Precursor for Li-Ion Cathode Active Material (J. Electrochem. Soc., 2024)](https://iopscience.iop.org/article/10.1149/1945-7111/ad050b)\n7. [An Overview of Synthesis and Structural Regulation of Magnetic Nanomaterials Prepared by Chemical Coprecipitation (Metals 13, 152)](https://www.mdpi.com/2075-4701/13/1/152)\n8. [Benjelloun, Bowen & Ring, Co-precipitation of ceramic powder precursors (Powder Technology Laboratory, EPFL)](https://my.che.utah.edu/~ring/Publications-PDFs/MS-1.pdf)\n9. [Tailoring the Synthesis Method of Metal Oxide Nanoparticles for Desired Properties (Crystals, 2024)](https://www.mdpi.com/2073-4352/14/10/899)\n10. [I. M. Kolthoff (1932). Theory of Coprecipitation. The Formation and Properties of Crystalline Precipitates. The Journal of Physical Chemistry.](https://doi.org/10.1021/j150333a008)\n11. [Louis Gordon and colleagues (1959). Precipitation from Homogeneous Solution. Physics Today.](https://doi.org/10.1063/1.3060981)\n12. [E Rolia (1974). Theory and practice of precipitation and coprecipitation, with particular reference to hydrometallurgical processing. .](https://doi.org/10.4095/300313)\n13. [Malte Behrens (2014). Coprecipitation: An excellent tool for the synthesis of supported metal catalysts – From the understanding of the well known recipes to new materials. Catalysis Today.](https://doi.org/10.1016/j.cattod.2014.07.050)\n14. [Stefano Diodati and colleagues (2013). Coprecipitation of Oxalates: An Easy and Reproducible Wet‐Chemistry Synthesis Route for Transition‐Metal Ferrites. European Journal of Inorganic Chemistry.](https://doi.org/10.1002/ejic.201301250)\n15. [Yu-Kai Lin and colleagues (2009). Efficient hydrogen production using Cu-based catalysts prepared via homogeneous precipitation. Journal of Materials Chemistry.](https://doi.org/10.1039/b912253b)\n16. [Mingyao Mou and colleagues (2023). Slug Flow Coprecipitation Synthesis of Uniformly-Sized Oxalate Precursor Microparticles for Improved Reproducibility and Tap Density of Li(Ni 0.8 Co 0.1 Mn 0.1 )O 2 Cathode Materials. ACS Applied Energy Materials.](https://doi.org/10.1021/acsaem.2c03563)\n17. [Mingyue Liu and colleagues (2019). Micromixer‐Assisted Co‐Precipitation Method for Fast Synthesis of Layered Ni‐Rich Materials for Lithium‐Ion Batteries. ChemElectroChem.](https://doi.org/10.1002/celc.201900511)\n18. [Jianwu Yang, Yangcheng Lu (2023). Green Synthesis of High-Performance Li1.2Mn0.6Ni0.2O2 with the Assist of a Microreactor. Industrial & Engineering Chemistry Research.](https://doi.org/10.1021/acs.iecr.3c02558)\n19. [Electrochemical Process to Produce Metal Hydroxide Precursor for Single Crystalline NCM Cathode Active Materials – The ePCAM Process (J. Electrochem. Soc., 2025, BASF)](https://iopscience.iop.org/article/10.1149/1945-7111/ade3a9)\n20. [Unveiling flow and mixing mechanism of a vortex microreactor and its use in preparing uniform layered oxide materials (AIChE Journal, 2026)](https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/aic.70345)\n21. [Generative inverse design for microstructure control in precursors for Li- and Mn-rich layered-oxide cathodes (Materials Horizons, 2026)](https://pubs.rsc.org/en/content/articlehtml/2026/mh/d5mh01850a)\n22. [Carlos Fernandes and colleagues (2014). Tailored design of Co x Mn 1−x Fe 2 O 4 nanoferrites: a new route for dual control of size and magnetic properties. Journal of Materials Chemistry C.](https://doi.org/10.1039/c4tc00429a)\n23. [Comparison of co-precipitation, sonochemistry, sonoelectrochemistry and electrochemistry routes for nickel ferrite nanoparticles](https://docta.ucm.es/rest/api/core/bitstreams/2cc1f651-307a-427a-a2d0-27110e58fb92/content)\n24. [Effect of preparation conditions on Nickel Zinc Ferrite nanoparticles: A comparison between sol–gel auto combustion and co-precipitation methods (Arabian J. Chem.)](https://www.sciencedirect.com/science/article/pii/S1319610313000367)\n\n---\n*Topic: Encyclopedia › Physical world and mathematics › Chemistry › Chemical principles and methods › Chemical synthesis › Inorganic and organometallic synthesis*\n\n*Initially written Sep 29, 2026 · Edited: Oct 15, 2026*\n\n*Copyright 2026 EdgeChat AI, a subsidiary of Biostate AI.*\n\nLicense: Edgepedia Community License 1.0, https://www.edgepedia.org/edgepedia/license\n", "same_as": [ "https://www.eng.uc.edu/~beaucag/Classes/Nanopowders/OConnorCJReviewofNanoSynthesis.pdf", "https://my.che.utah.edu/~ring/Publications-PDFs/MS-1.pdf" ], "url": "https://www.edgepedia.org/coprecipitation", "markdown_url": "https://www.edgepedia.org/coprecipitation.md", "license": { "name": "Edgepedia Community License 1.0", "url": "https://www.edgepedia.org/edgepedia/license", "summary": "Free with credit, commercial use included. AI training is open to everyone. For other uses, organizations over USD 100M in revenue or 100M monthly users license separately.", "spdx": "LicenseRef-Edgepedia-Community-1.0" }, "credit": "\"Coprecipitation\", Edgepedia (EdgeChat), https://www.edgepedia.org/coprecipitation. Edgepedia Community License 1.0.", "credit_md": "\"[Coprecipitation](https://www.edgepedia.org/coprecipitation)\", Edgepedia (EdgeChat), [https://www.edgepedia.org/coprecipitation](https://www.edgepedia.org/coprecipitation). [Edgepedia Community License 1.0](https://www.edgepedia.org/edgepedia/license).", "credit_html": "\"Coprecipitation\", Edgepedia (EdgeChat), https://www.edgepedia.org/coprecipitation. Edgepedia Community License 1.0.", "speakable": "Coprecipitation is a solution-phase synthesis method where two or more substances precipitate simultaneously from a common solution, yielding precursors for battery cathodes, catalysts, and magnetic nanoparticles." }