A new material enables lithium-ion batteries to maintain capacity for up to five years, which would be a significant improvement from current models. For many mobile makers and gamers alike, that means longer battery life with fewer complaints about dwindling power reserves.
The “graphite silicon anode for lithium-ion batteries” is a new material that enables lithium-ion batteries to maintain full capacity for five years.
Mika Baumeister (photo credit: Mika Baumeister) (Unsplash)
A group of researchers from Japan’s Advanced Institute of Science and Technology (JAIST) has made a breakthrough that will thrill smartphone, tablet, and laptop users who are frustrated by how rapidly their batteries’ capacity seems to decline.
While current lithium-ion batteries have a serious problem with their ability to hold a charge after only a few charge-discharge cycles, JAIST researchers have developed a new material called bis-imino-acenaphthenequinone-paraphenylene (BP) copolymer that, aside from being a pain to type, can protect the graphite anode of Li-ion batteries from degradation even after 1,700 cycles.
If the study holds true, we might see next-generation lithium-ion batteries that can keep their full charge for up to five years, removing one more incentive for those who like to avoid the service center to buy a new gadget every few years.
Image credit: JA IST
Lithium-ion batteries may now keep their full capacity for up to 5 years thanks to a new material (PCMag)
- According to EurekaAlert, a group of experts from the Japan Advanced Institute of Science and Technology (JAIST) has been studying the negative terminals of lithium-ion batteries in particular. They employ graphite anodes, but they also need a binder substance to keep the graphite from crumbling within the battery.
- The binder substance utilized nowadays is poly(vinylidene fluoride) (PVDF), however its performance isn’t superb. In a PVDF battery, only 65 percent capacity is generally attained after 500 charge-discharge cycles.
- The JAIST team found a novel binder material termed bis-imino-acenaphthenequinone-paraphenylene (BP) copolymer, which is practically unpronounceable. The good news is that BP lets a battery keep 95 percent of its capacity for over 1,700 charge-discharge cycles. In other words, it enables a lithium-ion battery to be completely recharged every day for over five years, if not longer.
- “The creation of more dependable items for long-term usage will be aided by the realization of robust batteries,” Matsumi says. This would motivate customers to invest in more costly battery-based assets, such as electric automobiles, which will be utilized for a long time.”
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Lithium-ion batteries have been an industry standard for decades. The new material enables lithium-ion batteries that can maintain full capacity for five years. Reference: lithium-ion anode.
Frequently Asked Questions
What battery technology will replace lithium-ion?
A: There is no battery technology on the horizon that will replace lithium-ion batteries.
How long can a new lithium-ion battery be stored?
A: This will depend on the battery being used, how it is stored and what temperature it may be in. For example a lithium-ion battery should not be stored outside of its recommended storage temperature range as this can cause cell damage or even fires to start.
What materials do most modern batteries use for improved performance and extended lifespan?
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