Replacing a liquid electrolyte with a solid electrolyte could offer major advantages for both safety and energy storage capacity, but so far, attempts to develop a practical solid-state cell have run into major obstacles. Liquid electrolytes can be flammable, and are also prone to the formation of dendrites -thin, fingerlike projections of metal that build… Read more »
Search Results Found For: "Solid-state "
FDK and Fujitsu develop novel cathode material for solid-state batteries
FDK and Fujitsu Laboratories have jointly developed lithium cobalt pyrophosphate (Li2CoP2O7) as a cathode material for solid-state lithium-ion batteries. The new material can operate at charge/discharge voltages of more than 5 V, which is beyond the limits of current lithium batteries. The energy of a battery is a function of its voltage and capacity, so an… Read more »
UT Austin team developing solid-state sodium or lithium battery cell
Researchers at the University of Texas at Austin have devised a new strategy for an all-solid-state sodium or lithium EV battery cell. In “Alternative Strategy for a Safe Rechargeable Battery,” published in Energy & Environmental Science, noted lithium-ion battery pioneer Professor John Goodenough and his colleagues explain that the cells use a solid glass electrolyte…. Read more »
New interfacial architecture enables high-energy solid-state Li battery
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 »
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 »