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A polymer-carbon composite current collector foil (PCCF) for bipolar lithium-ion battery applications is developed and evaluated in comparison to state-of-the-art Al-foil collector. The PCCF shows sufficient mechanical properties, which …
FIG. 1 is a diagram illustrating the structure of a composite current collector according to an embodiment of the present application. FIG. 2 is a top view of the composite …
Using lithium (Li) metal as the active material for the negative electrode could revolutionize current battery technology, in which graphite (specific capacity 372 mAh g −1, volumetric capacity 841 …
This study proposes a new design of composite current collector that simultaneously increase the energy density and safety of lithium-ion battery. The design …
Abstract: The anode-free solid-state lithium battery (AFSSLB) is a type of lithium battery that utilizes an initial charging process to generate lithium metal as the anode. With a 1: 1 anode-to …
Abstract In this work a significant improvement of the performance of LiFePO4 (LFP) composite cathodes, in particular at high rates (up to 12C), is demonstrated by the use …
Conventional current collectors work with aluminum and copper foils and have been in use since the first commercial lithium-ion battery. However, in order to improve safety, reduce weight, enhance energy density, and …
Researchers at ORNL have developed a metal-free current collector using carbon fiber and nanotubes to further lightweight lithium-ion batteries and increase energy density, improving EV driving range.
This study proposes a new design of composite current collector that simultaneously increase the energy density and safety of lithium-ion battery. The design …
Because current collectors (CCs), Binders (BDs), and conductive additives (CAs) in cathodes and anodes do not directly contribute to charging and discharging, they decrease the energy density of the battery. …
NDP analysis of pristine and cycled PE/C current collectors. a,b) NDP spectrum of a) the pristine PE/C current collector and b) the PE/C current collector after one lithium …
Batteries 2020, 6, 60 2 of 18 On the other hand, Cu is dissolved above 3.5 V vs. Li/Li+, the potential window of common oxide cathodes, which limits the applicability of Cu collector to the …
FIG. 1 is a diagram illustrating the structure of a composite current collector according to an embodiment of the present application. FIG. 2 is a top view of the composite …
Lab tests conducted at medium-fast battery charging rates showed the novel composite current collector performed as well as or better than the standard copper foil. Importantly, ORNL''s carbon polymer material is less …
Here, a new family of ultralight composite current collectors with a low areal density of 0.78 mg cm −2, representing significant weight reduction of 49%-91% compared …
Conventional current collectors work with aluminum and copper foils and have been in use since the first commercial lithium-ion battery. However, in order to improve safety, …
This article reviews the current research progress of single or composite current collector materials such as copper, aluminum, nickel, stainless steel, carbon, and carbon …
The trend clearly noticeable in the market is to make current collectors lighter and thinner and thereby increasing the energy density of power batteries, due to ultra-thin …
The use of high-capacity ternary cathode materials for high-energy batteries can cause thermal runaway of lithium-ion batteries (LIBs), hindering their safe use and further development....
It is proven that the nucleation of Li on the current collector in anode-free lithium metal batteries is significantly improved if an initial chemical pre-lithiation of the current …
The composite CCs successfully prevented the internal short circuit and markedly improved the safety of LIBs during the nail penetration test. Our findings provide theoretical guidance and …
A hermetic dense polymer-carbon composite-based current collector foil (PCCF) for lithium-ion battery applications was developed and evaluated in comparison to state-of-the-art aluminum …
Researchers at ORNL have developed a metal-free current collector using carbon fiber and nanotubes to further lightweight lithium-ion batteries and increase energy …
A polymer-carbon composite current collector foil (PCCF) for bipolar lithium-ion battery applications is developed and evaluated in comparison to state-of-the-art Al-foil collector. The …