Cambridge Archives – The Green Optimistic green tech news, since 2008 Sun, 29 Jul 2018 19:33:40 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 This New Material Will Make Batteries Fast-Charging https://www.greenoptimistic.com/fast-charging-batteries-20180729/ https://www.greenoptimistic.com/fast-charging-batteries-20180729/#respond Sun, 29 Jul 2018 19:01:15 +0000 https://www.greenoptimistic.com/?p=66558          Researchers from the University of Cambridge identified a group of materials that could be used to make fast-charging batteries charge even faster. They found that lithium ions move faster through niobium tungsten oxides than through any other electrode material.   These materials do not have higher energy densities. However, they give […]

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]]> https://www.greenoptimistic.com/fast-charging-batteries-20180729/feed/ 0 66558 New Photovoltaic Device Recovers Smartphones' Lost Screen Light https://www.greenoptimistic.com/cambridge-photovoltaic-smartphone-recover-20120124/ https://www.greenoptimistic.com/cambridge-photovoltaic-smartphone-recover-20120124/#respond Tue, 24 Jan 2012 19:00:25 +0000 https://www.greenoptimistic.com/?p=22140 Do you own a smartphone? I do. And I charge it every day, in the evening. I even have a friend who charges his iPhone two or three times a day, but he’s an extreme talker. However, great efforts are being made by scientists at the University of Cambridge toward making batteries last longer by […]

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