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Small Devices

Inexpensive organic material gives safe batteries a longer life

Inexpensive organic material gives safe batteries a longer life

Jun 21, 2017 United States
Modern batteries power everything from cars to cell phones, but they are far from perfect - they catch fire, they perform poorly in cold weather and they have relatively short lifecycles, among other issues. Now researchers have described a new class of material that addresses many of those concerns.
Vattenfall and BMW Group conclude supply contract for batteries

Vattenfall and BMW Group conclude supply contract for batteries

Jun 9, 2017 Sweden
Vattenfall and the BMW Group have signed a contract for the delivery of up to 1,000 lithium-ion batteries this year.
Low-cost, cobalt-free lithium rechargeable batteries

Low-cost, cobalt-free lithium rechargeable batteries

Jun 1, 2017 Japan
Fujitsu Laboratories Ltd has announced that it has successfully developed a cathode material for lithium iron phosphate rechargeable batteries.
Metal-free biotically degradable battery for single-use applications

Metal-free biotically degradable battery for single-use applications

May 31, 2017 Spain
A battery completely made of organic materials that can be fabricated by affordable methods with low energy consumption.
Printed, flexible and rechargeable battery can power wearable sensors

Printed, flexible and rechargeable battery can power wearable sensors

May 26, 2017 United States
Nanoengineers have developed the first printed battery that is flexible, stretchable and rechargeable. The zinc batteries could be used to power everything from wearable sensors to solar cells and other kinds of electronics.
Graphene-nanotube hybrid boosts lithium metal batteries

Graphene-nanotube hybrid boosts lithium metal batteries

May 23, 2017 United States
Scientists have created a rechargeable lithium metal battery with three times the capacity of commercial lithium-ion batteries by resolving something that has long stumped researchers: the dendrite problem.
Self-healing tech charges up performance

Self-healing tech charges up performance

May 22, 2017 United States
Researchers have found a way to apply self-healing technology to lithium-ion batteries to make them more reliable and last longer.
Electroplating delivers high-energy, high-power batteries

Electroplating delivers high-energy, high-power batteries

May 18, 2017 United States
The process that makes gold-plated jewelry or chrome car accents is now making powerful lithium-ion batteries.
Bright future for self-charging batteries

Bright future for self-charging batteries

Apr 28, 2017 Canada
Who hasn't lived through the frustrating experience of being without a phone after forgetting to recharge it? This could one day be a thing of the past thanks to technology being developed.
Freezing lithium batteries may make them safer and bendable

Freezing lithium batteries may make them safer and bendable

Apr 27, 2017 United States
A new method that could lead to lithium batteries that are safer, have longer battery life, and are bendable, providing new possibilities such as flexible smartphones.
Building a better battery

Building a better battery

Apr 26, 2017 United States
From portable electronics to transportation and sending satellites into space, the quest for a better battery - lighter, safer, longer lasting - is drawing increasing interest in the scientific community.