The sensor, presented at last month’s international conference on lead-acid batteries (LABAT17) in Sofia, Bulgaria, comprises an array of several electrochemical mini-cell sensors that simultaneously and continuously measure electrolyte density in different parts of battery cells.
Chinese battery maker Narada Power Source has boosted the performance of an advanced lead-acid battery by reducing the electrolyte and enhancing the partial state-of-charge window.
The company also tweaked the re-charge algorithms to allow its advanced deep-cycling valve regulated lead-acid (VRLA) battery to achieve more than 26,000 power-assisted cycles.
San Diego company Wildcat Discovery Technologies claims to have discovered a set of electrolyte additives which will boost lithium-ion battery performance.
The U.S. firm claims its SuperFilm™ technology will enable a more uniform and stable solid electrolyte interphase (SEI) on cathodes and anodes.
Alevo, a hitherto virtually unknown Swiss firm, cut the ribbon on a 4m sq ft lithium-ion battery cell/module manufacturing plant in Concord, North Carolina on 28 October.
Hyped in mainstream media as a “revolutionary” lithium-ion battery, Alevo’s cells are based on standard lithium iron phosphate (LiFePO4), albeit with an inorganic gel electrolyte containing sulphur dioxide and a conductive fluorosulphinate salt that is thermally stable, non-volatile and flame resistant.
Austria-based battery research firm Varta Micro Innovation (Varta) has researched anode materials for lithium-ion batteries using a customised rolling-ball viscometer.
Varta researched the qualification and optimisation of new electrolytes such as silicon and discovered that the mobility of lithium-ions is greatly dependent on the viscosity of the electrolyte and that viscosity should be a key focus in technology research.
Daikin Industries has received a US$0.9m grant from the US Department of Energy (DOE) to develop a lithium-ion electrolyte based on fluorochemistries.