PPK invests in lithium sulphur battery technology

PPK Group has invested in novel lithium sulphur battery technologies through its Li-S Energy subsidiary. PPK announced that Li-S had invested US$1.7 million into Texas-based Zeta Energy which is commercialising energy packs using graphene carbon nanotubes and lithium sulphur. At the same time Zeta Energy is investing US$1.4 million into Li-S, meaning the companies will…

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ANU researchers develop direct solar hydrogen production

Scientists at the Australian National University have demonstrated the direct production of hydrogen within solar PV cells, a development that could potentially bring down the cost of renewable hydrogen production. Thirteen researchers, led by Siva Krishna Karuturi and Heping Shen published their results in a paper in Advanced Energy Journal titled “Over 17% Efficiency Stand‐Alone…

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