Billions of smartphone owners are familiar with the dreaded "low battery" symbol on their devices. While consumers groan, scientists are working to understand why and when lithium-ion batteries in phones, plug-in electric ...
Materials Science
Oct 10, 2019
0
12
Singapore scientists from NanoBio Lab (NBL) of A*STAR have developed a novel approach to prepare next-generation lithium-sulfur cathodes, which simplifies the typically time-consuming and complicated process for producing ...
Nanomaterials
Oct 10, 2019
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250
Over the last two decades, nanotechnology has improved many of the products we use every day from microelectronics to sunscreens. Nanoparticles (particles that are just a few hundred atoms in size) are ending up in the environment ...
Bio & Medicine
Oct 09, 2019
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463
If you're reading this on a mobile phone or laptop computer, you might thank this year's three laureates for the Nobel Prize in chemistry for their work on lithium-ion batteries.
Materials Science
Oct 09, 2019
9
4293
From automobiles and planes to laptops and e-bikes, lithium-ion batteries have been blamed for causing fires in high-tech devices. Now, Purdue University scientists have come up with patented techniques that may cut down ...
Materials Science
Oct 03, 2019
0
26
Markus Niederberger's team of researchers at ETH has used stretchable materials to develop a battery that can be bent, stretched and twisted. For applications in bendable electronic devices, this is precisely the kind of ...
Materials Science
Sep 24, 2019
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53
How long the battery of your phone or computer lasts depends on how many lithium ions can be stored in the battery's negative electrode material. If the battery runs out of these ions, it can't generate an electrical current ...
Nanophysics
Sep 19, 2019
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508
Traditional lithium-ion (Li-ion) batteries cannot satisfy increasing demand for large-scale electricity consumption. Rechargeable aprotic lithium-oxygen (Li-O2) batteries have become potential candidates due to their ultrahigh ...
Materials Science
Aug 28, 2019
0
13
A recent study, affiliated with South Korea's Ulsan National Institute of Science and Technology (UNIST) has demonstrated new solvent-free, single lithium-ion conducting COF.
Analytical Chemistry
Aug 27, 2019
0
5
Hope has been restored for the rechargeable lithium metal battery—a potential battery powerhouse relegated for decades to the laboratory by its short life expectancy and occasional fiery demise while its rechargeable sibling, ...
Materials Science
Aug 26, 2019
0
608
Lithium-ion batteries (sometimes abbreviated Li-ion batteries) are a type of rechargeable battery in which lithium ions move from the anode to cathode during discharge, and from the cathode to the anode when charged.
Lithium ion batteries are common in consumer electronics. They are one of the most popular types of battery for portable electronics, with one of the best energy-to-weight ratios, no memory effect, and a slow loss of charge when not in use. In addition to uses for consumer electronics, lithium-ion batteries are growing in popularity for defense, automotive, and aerospace applications due to their high energy density. However, certain kinds of mistreatment may cause conventional Li-ion batteries to explode.
The three primary functional components of a lithium ion battery are the anode, cathode, and electrolyte, for which a variety of materials may be used. Commercially, the most popular material for the anode is graphite. The cathode is generally one of three materials: a layered oxide, such as lithium cobalt oxide, one based on a polyanion, such as lithium iron phosphate, or a spinel, such as lithium manganese oxide, although materials such as TiS2 (titanium disulfide) were originally used. Depending on the choice of material for the anode, cathode, and electrolyte the voltage, capacity, life, and safety of a lithium ion battery can change dramatically. Recently novel architectures have been employed to improve the performance of these batteries. Lithium ion batteries are not to be confused with lithium batteries, the key difference being that lithium batteries are primary batteries containing metallic lithium while lithium-ion batteries are secondary batteries containing an intercalation anode material.
This text uses material from Wikipedia, licensed under CC BY-SA
