252 articles
Self-healing solid electrolytes
Self-healing solid electrolytes are solid ion-conducting materials, mostly polymers or polymer–ceramic composites, that repair cracks and dendrite damage in solid-state batteries by reforming reversible chemical bonds.
Self-healing solid-state polymer electrolyte
A self-healing solid-state polymer electrolyte is a solid polymer that conducts lithium ions between battery electrodes and repairs cracks and electrode contact damage on its own.
SGL Carbon
SGL Carbon SE is a German manufacturer of carbon-based materials, specialty graphites, and carbon-fiber composites, headquartered in Wiesbaden and supplying graphite anode materials for lithium-ion batteries.
Shanghai Jinyuansheng New Energy Materials Group
Jinyuansheng, formally Shanghai Jinyuansheng New Energy Materials Group, is a Chinese battery-materials company founded in 2011, controlled since 2018 by Liang Feng, who also chairs cathode-materials supplier Putailai.
Shenlian Environmental Protection
Shenlian Environmental Protection, formally Zhejiang Shenlian Environmental Protection Group Co., was a Chinese hazardous-waste treatment and metal-recovery group based in Hangzhou, acquired by Zhefu Holding in 2020 for about RMB 14.5 billion.
Sherritt International
Sherritt International is a Toronto-based Canadian mining company that mines nickel and cobalt in Cuba through a joint venture with the state, refining the metals in Fort Saskatchewan, Alberta.
Shuopu New Materials
Shuopu New Materials, formally Hunan Shuopu New Materials Co. (湖南烁普新材料有限公司), was a Chinese manufacturer of wet-process lithium-ion power battery separators in Changsha, Hunan, founded in 2017.
Sila Nanotechnologies
Sila Nanotechnologies, or Sila, is an American battery materials company in Alameda, California, founded in 2011, whose Titan Silicon anode material raises energy density about 20 percent.
Silicon anode
A silicon anode is a lithium-ion battery electrode using silicon instead of graphite, storing roughly ten times more lithium but limited by its large volume change.
Silicon monoxide composite anode
A silicon monoxide composite anode is a lithium-ion battery negative electrode made of silicon monoxide (SiO) blended with graphite and carbon, storing more lithium than graphite.
Silicon nanowire anode
A silicon nanowire anode is a lithium-ion battery negative electrode made of silicon wires, offering about ten times graphite's capacity while managing silicon's large volume change during charging.
Silicon-carbon composite anode
A silicon-carbon composite anode is a lithium-ion battery anode material in which silicon, offering far more capacity than graphite, is held in a carbon matrix that buffers its swelling.
Single-crystal cathode material
A single-crystal cathode material is a lithium-ion battery cathode in which each active particle is one continuous crystal, avoiding grain-boundary cracking for longer cycle life and stability.
Single-crystal lithium iron phosphate cathodes
Single-crystal lithium iron phosphate (LiFePO₄, LFP) cathodes are lithium-ion battery cathode materials in which each particle is one continuous olivine crystal, grown as nanoscale plates or rods.
Single-ion conducting polymer electrolyte
Single-ion conducting polymer electrolytes (SICPEs) are solid polymer electrolytes in which anions are immobilized, giving a cation transference number near 1, pursued mainly for solid-state lithium-metal batteries.
Sinoma Lithium Battery Separator (Zhongcai Lithium Film)
Sinoma Lithium Battery Separator (中材锂膜) is a Chinese maker of wet-process lithium battery separators, founded in 2016 as a subsidiary of Sinoma Science & Technology.
Skaland
Skaland is a Norwegian flake graphite mining company, Skaland Graphite AS, based on Senja in Troms, northern Norway, described as Europe's leading producer of crystalline flake graphite.
Sodium beta-alumina
Sodium beta-alumina is a family of layered ceramics in which sodium ions move rapidly through conduction planes, serving as the solid electrolyte in sodium-sulfur and ZEBRA batteries.
Sodium bis(fluorosulfonyl)imide
Sodium bis(fluorosulfonyl)imide, abbreviated NaFSI, is the sodium analog of LiFSI, a conducting salt in sodium-ion and sodium-metal battery electrolytes prized for high solubility and ionic conductivity.
Sodium hexafluorophosphate
Sodium hexafluorophosphate (NaPF6) is an inorganic sodium salt of the hexafluorophosphate anion and the benchmark electrolyte salt for sodium-ion batteries, though it hydrolyzes with moisture to form hydrofluoric acid.
Sodium iron phosphate
Sodium iron phosphate, NaFePO₄, is a cathode material for sodium-ion batteries with olivine and maricite phases; the related pyrophosphate NFPP entered 10,000-ton production in 2025.
Sodium layered oxide
A sodium layered oxide is a cathode material for sodium-ion batteries, formula NaxTMO2, with sodium ions between TMO6 slabs and O3, P3, P2, and O2 structural types.
Sodium manganese oxide
Sodium manganese oxide, written NaxMnO2, is a family of compounds serving as cathode materials in sodium-ion batteries, valued because sodium and manganese are abundant and inexpensive.
Sodium metal anode
A sodium metal anode is a battery negative electrode of metallic sodium with 1,166 mAh/g capacity and a low redox potential, central to sodium-metal batteries.
Sodium nickel manganese oxide
Sodium nickel manganese oxide, abbreviated NNMO and chiefly the composition NaNi0.5Mn0.5O2, is a layered oxide cathode material for sodium-ion batteries, first used in a full cell in 2011.
Sodium sulfide solid electrolytes
Sodium sulfide solid electrolytes are inorganic sodium-ion conductors such as Na₃PS₄ and Na₃SbS₄, whose soft, highly polarizable lattices give liquidlike conductivity but suffer moisture sensitivity and narrow electrochemical stability windows.
Sodium superionic conductor electrolytes for all-solid sodium cells
Sodium superionic conductor (NASICON) electrolytes, including the sodium zirconium silicophosphate family, are solid materials used as the ion-transport layer in all-solid-state sodium batteries.
Sodium titanate cathode
Sodium titanate cathode is a term sometimes applied to sodium titanate materials, chiefly layered Na₂Ti₃O₇, used as anodes in sodium-ion batteries at about 0.3 V.
Sodium vanadium fluorophosphate
Sodium vanadium fluorophosphate (Na₃V₂(PO₄)₂F₃, commonly abbreviated NVPF) is a polyanionic cathode material for sodium-ion batteries, first synthesized in 1999 and used in TIAMAT's commercial cells.
Sodium vanadium phosphate
Sodium vanadium phosphate, abbreviated NVP, is a NASICON-family compound used as a cathode material in sodium-ion batteries, with a 3.4 V operating voltage and 117.6 mAh/g theoretical capacity.