Proton battery-alternative for lithium?

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The world's first rechargeable proton battery has been created and demonstrated by a team of researchers in Australia. The current battery, which is now just a prototype to prove that the mechanism works, is a big step towards a more environmentally sound energy storage system. Unlike current lithium-ion designs that use rare materials, the prototype battery uses carbon and water to store electrical charge. 

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Apparently, powering batteries with protons has the potential to be more economical than using lithium ions, which are made from scare resources. Carbon, which is the primary resource used in our proton battery, is abundant and cheap compared to both metal hydrogen storage alloys and the lithium needed for rechargeable lithium ion batteries

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I guess we will see. The proton battery was the subject of research at RIMT several years ago, but used a metal alloy electrode containing rare earth elements. The resulting device was heavy and expensive and it worked poorly in terms of reversibility and recharging power. 

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commercial deployment is still 5 to 10 years away. How long it took lithium?

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2 minutes ago, 李伟王芳 said:

Good thing is that battery technology is developing fast in several directions.

 Currently battery technology is improving 14% year on year which is why batteries are dropping in price

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