![]() ![]() ![]() Īs safer and more sustainable alternatives, solid inorganic electrolytes such as LiI-doped glassy Li 2S-P 2S 5, i.e., LPSI, and conversion materials such as transition metal sulfides (TMSs) have recently attracted wide attention. ![]() Indeed, energy density is currently limited to 260 W h kg −1 while safety, toxicity, and ethical issues are associated with inflammable liquid electrolytes and cobalt usage. However, current LIBs, employing graphite as the negative electrode, a transition metal oxide as the positive electrode, and a carbonate liquid electrolyte, feature some drawbacks and limitations that need to be addressed for more sustainable energy storage and supply. In this context, lithium-ion batteries (LIBs), as one of the leading technology for electrical energy storage, are crucial for stocking intermittent energy derived from renewable sources. Despite being intrinsically intermittent, renewable sources such as wind and solar energies represent the solution to this fundamental problem. The global energy demand is constantly increasing, and the most used energy sources are still fossil fuels, which are the main reason for greenhouse gas emissions and global warming. ![]()
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