Researchers led by a team from China’s Ningbo Institute of Materials Technology and Engineering have developed stable solid-state lithium batteries with high energy and power densities. In “High-Energy All-Solid-State Lithium Batteries with Ultralong Cycle Life,” published in Nano Letters, the scientists explain how they developed a new interfacial architecture. They say that their design approach… Read more »
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Researchers use superionic conductors as electrolytes for solid-state batteries
Researchers at the Tokyo Institute of Technology, in collaboration with Toyota and two other research institutions, have designed and tested solid-state batteries using a novel type of solid electrolyte. In “High-power all-solid-state batteries using sulfide superionic conductors,” published in Nature Energy, Yuki Kato and team members explain the advantages of superionic materials as solid electrolytes…. Read more »
New electrolyte for solid-state batteries combines polymer and glass
Scientists at the DOE’s Lawrence Berkeley National Laboratory have developed a novel electrolyte that addresses many of the problems of solid electrolytes by combining the two primary types – polymer and glass. There are two kinds of solid electrolytes – polymer and glass or ceramic – and each has its own set of challenges. Polymer… Read more »
ARPA-E awards $6.6 million to two projects for solid-state battery electrolytes
The DOE’s Advanced Research Projects Agency – Energy (ARPA-E) has awarded $125 million to 41 energy-related R&D projects under its 2015 OPEN funding program. Two of these have to do with ceramic electrolytes for solid-state EV batteries. A consortium led by the University of Michigan won $3.5 million for a project called “Transitioning Advanced Ceramic… Read more »
Hitachi researchers demonstrate thermally durable solid-state Li-ion battery
A research team sponsored by Hitachi and Tohoku University’s Advanced Institute for Material Research (AIMR) has demonstrated technology that reduces the internal resistance of all-solid-state Li-ion batteries through the use of LiBH4-based complex hydrides as solid electrolytes. A conventional Li-ion battery uses a volatile organic electrolyte solution with a maximum operating temperature around 60˚ C…. Read more »
Liquid or solid-state? Clay electrolyte offers the best features of both
Bentonite clay is a malleable material with myriad applications, from oil drilling to agriculture to construction. Now researchers at Rice University have taken advantage of its qualities to develop a new class of Li-ion battery electrolytes that offer the structural stability of a solid and the wettability of a liquid. In “Quasi-Solid Electrolytes for High… Read more »
Vacuum maker Dyson acquires solid-state battery pioneer Sakti3
Dyson, the manufacturer of high-tech vacuum cleaners and restroom hand dryers, has acquired Michigan startup Sakti3 for $90 million in cash, as reported by Quartz. Founder and CEO Ann Marie Sastry will oversee development of her company’s solid-state battery technology as an executive for Dyson. UK-based Dyson, which invested $15 million in Sakti3 last March, also… Read more »
Solid-state battery innovator Seeo acquired by Bosch
Giant German automotive supplier Bosch has announced that it will acquire the Silicon Valley startup Seeo, a pioneer in solid-state battery technology. Seeo’s cell design combines a solid lithium metal anode with a conventional porous lithium iron phosphate cathode and Seeo’s proprietary DryLite solid polymer electrolyte. Seeo says its cells achieve specific energy of around… Read more »
Bolloré’s electric Bluecar, with novel solid-state batteries, coming to London
Electric car-sharing service Autolib has become a hit in Paris and two other French cities since its 2011 launch, and now boasts a fleet of over 3,500 EVs. Corporate parent the Bolloré Group also has a fleet of electric Bluebuses operating on Parisian streets, and has been working on bringing electric car sharing to Indianapolis… Read more »
PATHION’s superionic solid-state electrolytes point to more powerful and safer batteries
Solid-state electrolytes are the talk of the town these days. California-based PATHION has been working to commercialize solid electrolytes since its founding in 2012, building on its exclusive license from Los Alamos National Laboratories for a promising material called Lithium-Rich Anti-Perovskite (LiRAP). At the recent Materials Research Conference, PATHION presented two new superionic solid-state electrolytes built upon… Read more »