9,935 articles
1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide
EMIM TFSI, also known as EMIM NTf2, is a hydrophobic room-temperature ionic liquid of the imidazolium family, valued for low viscosity, high conductivity, and a wide electrochemical window.
10 CFR 50.59
10 CFR 50.59, "Changes, tests, and experiments," is a U.S. Nuclear Regulatory Commission regulation defining when nuclear facility licensees may modify facilities or procedures without prior NRC approval.
10 CFR Part 50
10 CFR Part 50, "Domestic Licensing of Production and Utilization Facilities," is the regulation under which the NRC licenses US commercial nuclear power plants and research reactors.
10 CFR Part 52 licensing
10 CFR Part 52 licensing is the Nuclear Regulatory Commission's largely one-step process, adopted in 1989, for issuing combined licenses and design certifications for new US reactors.
10:10 (campaign)
10:10 was a British climate change campaign launched in September 2009, led by Franny Armstrong, asking individuals and businesses to cut their carbon emissions 10% during 2010.
123 Agreement (nuclear)
A 123 Agreement is a bilateral US agreement for peaceful nuclear cooperation, named for Section 123 of the Atomic Energy Act of 1954, with 26 in force as of 2025.
18650 battery
The 18650 is a standardized cylindrical lithium-ion rechargeable cell measuring 18 by 65 mm, long the dominant format for laptop packs, power tools, flashlights, and early Tesla vehicles.
1979 oil crisis
The 1979 oil crisis, also called the second oil shock, was a period of sharply rising oil prices and fuel shortages after Iran's revolution cut its crude exports.
1980s oil glut
The 1980s oil glut was a period of excess oil supply that collapsed crude prices by nearly 60 percent in 1986, keeping real prices low for two decades.
1KOMMA5°
1KOMMA5° is a Hamburg cleantech company founded in 2021 that sells solar systems, batteries, heat pumps, and EV chargers through acquired installer businesses, with Heartbeat AI software.
2000–01 California electricity crisis
The 2000–01 California electricity crisis was a breakdown of the state's restructured power market, with soaring prices, rolling blackouts, and PG&E's bankruptcy by early 2001.
2009 Sayano-Shushenskaya power station accident
The 2009 Sayano-Shushenskaya power station accident was the turbine failure on 17 August 2009 that killed 75 people at Russia's largest hydroelectric plant, on the Yenisei River in Khakassia.
2015 Ukraine power grid cyberattack
The 2015 Ukraine power grid cyberattack cut electricity to about 225,000 customers on December 23, 2015, the first confirmed cyberattack to disrupt an operating power grid.
2017 Pohang earthquake
The 2017 Pohang earthquake (포항 지진) was a magnitude 5.5 earthquake that struck Pohang, South Korea, on November 15, 2017, triggered by fluid injection at a geothermal project.
2019 California PSPS shutoffs
The 2019 California PSPS shutoffs were deliberate Public Safety Power Shutoffs by California utilities, chiefly PG&E, to keep power lines from igniting wildfires during extreme fire weather.
2020 Russia–Saudi Arabia oil price war
The 2020 Russia–Saudi Arabia oil price war began in March 2020 when Saudi Arabia flooded the market with discounted crude after Russia refused deeper OPEC+ cuts, driving Brent below $24 a barrel.
2021 Texas power crisis
The 2021 Texas power crisis, known as the Great Texas Freeze, was a February 2021 grid failure that cut power to over 4.5 million homes during Winter Storm Uri.
2021–2023 global energy crisis
The 2021–2023 global energy crisis was a worldwide surge in natural gas, oil, coal, and electricity prices, escalating into the first truly global energy crisis after Russia invaded Ukraine in 2022.
2022 Nord Stream pipeline sabotage
The 2022 Nord Stream pipeline sabotage was the destruction of three of four strings of the Nord Stream gas pipelines by underwater explosions in the Baltic Sea on 26 September 2022.
2023 Akosombo Dam spillage
The 2023 Akosombo Dam spillage was a controlled release of water from Ghana's Akosombo Dam from September to October 2023, flooding eight districts and displacing about 39,000 people.
2023 Michigan Energy Law
The 2023 Michigan Energy Law is a package of public acts signed by Governor Gretchen Whitmer in November 2023 requiring 100% clean electricity by 2040 and creating a state siting process for renewable projects.
2023 Mining Code (Mali)
The 2023 Mining Code is Mali's law governing mineral exploration and exploitation, promulgated on 29 August 2023 to replace the 2019 code and raise the state's share of mining revenue.
2026 Gary power outage
The 2026 Gary power outage was the loss of power to roughly 38,300 Gary, Indiana, homes and businesses after an August 11, 2026 derecho brought winds over 100 mph.
2170 battery
The 2170 battery, also written 21700, is a cylindrical lithium-ion cell 21 mm in diameter and 70 mm long, widely used in electric vehicles, power tools, and energy storage.
24M Technologies
24M Technologies is a Cambridge, Massachusetts battery technology company founded in 2010 as an MIT spinout by Yet-Ming Chiang and W. Craig Carter, licensing its SemiSolid lithium-ion manufacturing process to partners.
2D material photovoltaics
2D material photovoltaics is the use of atomically thin materials such as graphene and transition metal dichalcogenides to generate electricity from sunlight, as absorbers or cell components.
2D perovskite solar cell
A 2D perovskite solar cell is a photovoltaic device whose light absorber is a layered two-dimensional metal halide perovskite, offering better moisture stability but lower efficiency than 3D perovskites.
2D Ruddlesden–Popper perovskite solar cells
A Ruddlesden–Popper 2D perovskite solar cell is a photovoltaic device with a layered halide perovskite absorber, trading some efficiency of 3D perovskites for better resistance to moisture, light, and heat.
2D/3D mixed-dimensional perovskite films
2D/3D mixed-dimensional perovskite films are halide perovskite films combining a 3D photoactive phase with 2D layers that resist moisture and suppress ion migration in solar cells.
2D/3D mixed-dimensional perovskite solar cell
A 2D/3D mixed-dimensional perovskite solar cell is a photovoltaic device pairing an efficient 3D metal halide perovskite absorber with stable 2D perovskite layers for moisture and thermal stability.