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New cathode coating extends lithium-ion battery life and boosts safety

Tue, 07/14/2020 - 12:42 -- Paul Crompton

A three-year project by the U.S. Department of Energy’s (DOE) Argonne National Laboratory, in collaboration with Hong Kong University of Science and Technology (HKUST) has made a breakthrough in improving lithium-ion batteries.

Researchers used a coating called PEDOT to completely protect each particle of the cathode — inside and out — from reacting with the electrolyte, which improves lithium-ion battery cycle life and safety.

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German researchers to develop realistic test procedures to make safer lithium-ion batteries

Tue, 07/14/2020 - 11:58 -- Paul Crompton

German public research university The Karlsruhe Institute of Technology (KIT) is working to develop standards that provide more security and flexibility when designing lithium-ion batteries.

In its research project, Kit will work alongside testing and standardisation institutes as well as industry partners to develop safety tests for lithium-ion cells under real conditions. 

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The new global committee on lithium standards will be led by China

Thu, 07/09/2020 - 10:47 -- Paul Crompton

The International Organisation for Standardisation (ISO) has created a technical committee for standardising global lithium market — from mining to material for lithium-ion batteries. 

The upcoming ratteries regulation commission will set technical performance, safety and environmental protection for batteries.

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Renewable energy firms apply Tesla’s lithium-ion ESS and AI trading software in UK project

Wed, 07/08/2020 - 10:23 -- Paul Crompton

Renewable energy firms Fotowatio Renewable Ventures (FRV) and Harmony Energy have commissioned a 15MWh lithium-ion energy storage system using six Tesla Megapack batteries.

The project in Dorset, UK, will store energy from renewable sources and deliver peak-load shifting to the UK National Grid via distribution network operator Scottish and Southern Electric Power.  

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Ampcera a step closer to commercialising its solid electrolyte technology for solid-state lithium-ion batteries

Thu, 07/02/2020 - 12:59 -- Paul Crompton

Battery electrolyte developer Ampcera has announced the latest step in the commercialisation of its flexible solid electrolyte (SE) membrane technology for solid-state lithium-ion batteries. 

The US firm claims its solid-state electrolyte (SSE) has the potential to enable solid-state lithium metal batteries to achieve an energy density of 500Wh/kg while reducing cost to below $100/kWh.  

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New electrolyte developed at Stanford may boost lithium metal batteries

Tue, 06/23/2020 - 18:41 -- Paul Crompton

Scientists at Stanford University have revealed a novel electrolyte design they claim will boost the performance of lithium metal batteries.

The team from the US institution added fluorine atoms onto the electrolyte molecule to make the liquid more stable and create a new molecule that allows the lithium metal anode to function well in the electrolyte.

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Call for lithium-ion battery transport loophole to be closed after battery blaze

Tue, 06/09/2020 - 15:06 -- Paul Crompton

The National Transportation Safety Board (NTSB) is calling for a safety loophole to be closed after a fire destroyed a truck transporting large format lithium-ion batteries.

Recommendations by the independent US government agency responsible for investigating civil transportation have been made to address “gaps in the existing regulations” uncovered during the inquiry into the fire in Canada.

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Indian firm latest to license silicon lead battery technology

Wed, 06/03/2020 - 10:54 -- Paul Crompton

Indian battery maker Amara Raja Batteries has announced a partnership with Gridtential Energy to collaborate on bipolar lead-acid batteries.

The two companies have entered into a formal technology evaluation agreement, with Amara and Gridtential assembling and testing the US-based firm’s Silicon Joule bipolar reference batteries. 

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ORNL‘s polymer and ceramic composite promises better solid-state electrolyte for lithium metal batteries

Wed, 05/20/2020 - 10:56 -- Paul Crompton

Researchers at Oak Ridge National Laboratory (ORNL) have developed a thin film, highly conductive solid-state electrolyte made of a polymer and ceramic-based composite for lithium metal batteries. 

The electrolyte’s novel design is a three-dimensional interconnected structure that can provide mechanical robustness and high lithium ionic conductivity at room temperature.

Image: A thin film solid-state electrolyte with a three-dimensionally interconnected structure was fabricated by ORNL researchers. The structure increased conductivity through the ceramic base. Credit: Xi Chen/Oak Ridge National Laboratory, U.S. Dept. of Energy

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Daimler focusing research on designing cobalt and lithium out of lithium-ion batteries

Mon, 05/04/2020 - 15:06 -- Paul Crompton

Mercedes-Benz, a subsidiary of Daimler, is researching ways to design cobalt and other “critical” materials like lithium out of lithium-ion batteries.

The German vehicle OEM is looking at a variety of post-lithium-ion batteries— mainly based on manganese— that use less critical resources as it investigates ways of increasing energy density of its technology.

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