Researchers at Tohoku University in Japan have developed a prototype calcium battery with a long cycle life of more than 500 charge-discharge cycles. The battery was developed using a hydride-based ...

A research group has developed a prototype calcium (Ca) metal rechargeable battery capable of 500 cycles of repeated charge-discharge - the benchmark for practical use. The breakthrough was reported ...

Tsukuba, Japan—Photosynthetic bacteria, unlike plants, do not generate oxygen as a photosynthetic byproduct because they use hydrogen sulfide instead of water to convert solar energy into chemical ...

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Purple sulfur bacteria (PSB) convert light energy into chemical energy through photosynthesis. Interestingly, certain species can photosynthesize even in environments with low-calcium levels. Using ...