Power > Batteries

Why do batteries go bad?

18 September, 2014

Rapid-charging a battery and using it to do high-power, rapidly draining work may not be as damaging as initially thought.


Engineers develop batteryless pacemaker

02 September, 2014

Switzerland-based engineers have developed a new batteryless cardiac pacemaker, which is based on an automatic wristwatch and powered by heart motion.


Simpler process to grow germanium nanowires to improve Li-ion batteries

01 September, 2014 by Andrew Careaga

Researchers have developed a simple, one-step method to grow germanium nanowires from an aqueous solution. The process could make it more feasible to use germanium in lithium-ion batteries.


Lithium sulfur batteries getting closer

26 August, 2014

Lithium sulfur cells have the potential to significantly reduce the weight of batteries. This lightweighting is of particular interest to the military as it can significantly reduce the weight burden on soldiers.


Recycling old batteries into solar cells

19 August, 2014

MIT researchers have developed a system that recycles materials from discarded car batteries - a potential source of lead pollution - into new, long-lasting solar panels that provide emissions-free power.


Solar USB charger for backpacks

13 August, 2014

US-based research group Skajaquoda has launched a flexible solar panel with a USB charger that can be mounted on backpacks, camera straps and even bikes.


Used cigarette butts offer energy storage

07 August, 2014

Scientists from South Korea have converted used cigarette butts into a high-performing material that could be integrated into computers, handheld devices, electrical vehicles and wind turbines to store energy.


Pure lithium anode could triple battery life

30 July, 2014

Stanford researchers are designing a pure lithium anode for rechargeable batteries.


Silicon sponge improves Li-ion battery performance

09 July, 2014

Researchers have developed a porous material to replace the graphite traditionally used in a Li-ion battery's electrodes, as silicon has more than 10 times the energy storage capacity of graphite.


Researchers improve battery performance with nanotubes

04 July, 2014

Researchers have boosted power and durability in lithium-ion batteries with the help of extremely tiny tubes and rods. The development could lead to batteries that last longer and perform better, leading to a cost advantage for electric vehicles.


Water-based, organic power plant batteries

27 June, 2014

Scientists at USC have developed a water-based organic battery that is long lasting and built from cheap, eco-friendly components.


Premier Batteries Powerbanks batteries

27 June, 2014

The Powerbanks series batteries allow users to charge their smartphone or iPad while on the beach, shopping, travelling or camping.


New discovery could lead to more memory storage in electronics

20 June, 2014

Researchers have discovered rare materials known as multiferroics that possess both controllable magnetic and electric polarisation properties at near-room temperatures.


The inner workings of Li-ion batteries

13 June, 2014 by David L Chandler, MIT News Office

Latest findings by MIT researchers explain the unexpectedly high power and long cycle life of lithium-ion batteries.


Charging electronics in 10 minutes

13 June, 2014

Researchers have developed a new architecture for lithium-ion battery anodes that could enable charging of portable electronics in 10 minutes, instead of hours.


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