Highperformance germanium nanowirebased lithiumion battery. Silicon anodes offer an alternative to commercial graphite with much greater gravimetric and volumetric li storage. Prelithiated silicon nanowires as an anode for lithium ion batteries nian liu, liangbing hu, matthew t. Wiring up silicon nanostructures for high energy lithium ion battery anodes yi cui stanford university. Arsenic doped silicon nanowire anode electrodes have reached a.
This presentation does not contain any proprietary, confidential, or otherwise restricted information. Silicon nanowires for rechargeable lithiumion battery anodes. Cheap, betterperforming lithiumion batteries with nanowires. Nanowire lithiumion batteries as advanced electrochemical. Silicon is an attractive anode material for lithium batteries because it has a low discharge potential and the highest known. Highperformance lithiumion anodes using a hierarchical. Doped silicon nanowires for lithium ion battery anodes scielo.
To make a full battery out of them, either the cathode or the anode needs to be prelithiated. The excellent cycling performance of the cntsilicon nanowires has exceeded most of previously reported silicon nanostructures such as homogeneous silicon nanowires, coreshell nanowires, and silicon nanoparticles, etc. Aug 29, 2015 silicon is the most promising anode material for the next generation high performance lithium ion batteries. Although this is more than ten times higher than existing graphite anodes and much larger than various nitride and oxide materials, silicon anodes have limited applications because silicon s volume changes by 400% upon insertion and extraction of lithium which results in pulverization and capacity fading. Cui and coworkers nature nanotechnology 3, 31 2008.
Role of surface functionality in the electrochemical. Inkjetprinted silicon as high performance anodes for liion. Recent developments in silicon anode materials for high. Solutiongrown silicon nanowires for lithiumion battery anodes. Jul 23, 2008 largearea, waferscale silicon nanowire arrays prepared by metalinduced chemical etching are shown as promising scalable anode materials for rechargeable lithium battery. Huggins and yi cui to whom correspondence should be addressed. Notwithstanding the high energy density of existing libs, their performances. Wiring up silicon nanoparticles for high performance lithium. Nanostructured silicon for high capacity lithium battery anodes. Siliconbased nanosheets synthesized by a topochemical.
Silicon nanowire array films for highperformance lithiumion battery anodes appl. Cheap, betterperforming lithium ion batteries with nanowires nanowerk news researchers at the usc viterbi school of engineering have improved the performance and capacity of lithium batteries by developing betterperforming, cheaper materials for use in anodes and cathodes negative and positive electrodes, respectively. Chan1,hailinpeng2,gaoliu3, kevin mcilwrath4,xiaofengzhang4, robert a. Nanostructured silicon is promising for high capacity anodes in lithium batteries. Nanowire battery can hold 10 times the charge of existing. New siliconbased anode set to boost lifetime and capacity. The specific capacity of silicon is an order of magnitude higher than that of conventional graphite anodes, but the large volume change of silicon during lithiation and delithiation and the resulting poor cyclability has preve. Here, we present a method for prelithiating a silicon nanowire sinw anode by a. Article pdf available in applied physics letters 933. Ultrathin graphdiyne nanosheets grown in situ on copper. A new approach could hold the key to greatly improving the performance of lithiumion batteries. Chan ck, peng h, liu g, mcilwrath k, zhang xf, huggins ra, cui y. Silicon nanowires used as the anode of a lithiumion battery. Carboncoated silicon nanowire array films prepared by metal catalytic etching of silicon wafers and pyrolyzing of carbon aerogel were used for lithium ion battery anodes.
Stable cycling of sio2 nanotubes as highperformance anodes. Silicon nanowire anodes for next generation energy storage. A hierarchical bottomup approach is now used to prepare lithium ion anodes with improved reversible capacities and stable electrochemical performance. Novel conductive binder for highperformance silicon anodes. Silicon is one of the most promising anode materials for lithium ion batteries due to advantages including its highest known capacity and relatively low working potential.
Szczech and song jin department of chemistry, university of wisconsinmadison, 1101 university avenue. High performance lithium battery anodes using silicon nanowires candace k. Selfhealing lithiummetal anodes better lifespan for better energy density the race to much better energy density has not let off for well over a decade, and it seems to be growing stronger. Is liquid silicon the key to better lithiumion battery. There is great interest in developing rechargeable lithium batteries with higher energy capacity and longer cycle life for applications in portable electronic devices, electric vehicles and implantable medical devices. The chemical composition of the nanowires was varied, and their morphological features and crystalline structures were characterized using fieldemission scanning electron microscopy and xray powder. Voltammetry, ftir and xps analyses show hydrideterminated nanowires react with the electrolyte and methyl termination tends to passivate silicon surfaces. However, the problem of extremely large volumetric change must be overcome before silicon anodes can be utilized in practical lithium batteries.
Anodes made from those particles offer charging performance on par with the nanowires, and can be made in any size that in turn means that the silicon nanoparticle anodes could be used in any. Silicon nanowire core aluminum shell coaxial nanocomposites for lithium ion battery anodes grown with and without a tin interlayer elmira l. A new highperformance anode structure based on siliconcarbon nanocomposite materials could significantly improve the performance of lithiumion batteries used in. High performance lithium battery anodes using silicon. Jul 16, 2017 a novel silicon nanowire film anode was successfully prepared by a combination of magnetron sputtering deposition and metalcatalyzed electroless etching technology. Lithium ion battery peformance of silicon nanowires with carbon skin. Largescale synthesis of interconnected sisiox nanowire. Dec 18, 2007 the breakthrough is described in a paper, high performance lithium battery anodes using silicon nanowires, published online dec. Silicon nanowires sinws were produced by a wet etching method. Apr 15, 2014 stable cycling of sio 2 nanotubes as high performance anodes for lithium ion batteries skip to main content thank you for visiting. High performance germanium nanowire based lithiumion battery. However, its commercial application is hindered by its poor performance due to the huge volume change during cycling.
Carboncoated silicon nanowire array films for high. High performance lithium battery anodes using silicon nanowires. Chan, hailin peng, gao liu, kevin mcilwrath, xiao feng zhang, robert a. Stable cycling of doublewalled silicon nanotube battery anodes through solidelectrolyte interphase control. Ion battery anodes hong shang beijing national laboratory for molecular sciences bnlms, cas researcheducation center for excellence in molecular sciences, cas key laboratory of organic solids, institute of chemistry, chinese academy of. Lithium ion battery peformance of silicon nanowires with. Nanostructured silicon for high capacity lithium battery anodes jeannine r. Highperformance lithium battery anodes using silicon nanowires article pdf available in nature nanotechnology 31. Silicon is an attractive anode material for lithium batteries because it has a low discharge potential and the highest known theoretical charge capacity 4,200 mah. Stable cycling of sio 2 nanotubes as highperformance anodes. Prelithiated silicon nanowires as an anode for lithium ion. Electrodes made of carbonsilicon nanowires could boost the life and performance of lithiumion batteries. To compare, the charge and discharge data for currently used graphite anodes are also shown within the same figure.
Huggins2 and yi cui2 1department of chemistry, stanford university, stanford, california 94305, usa 2department of materials science and engineering, stanford university, stanford, california 94305, usa. Silicon is an attractive anode material for lithium batteries because it has a low discharge potential and the highest known theoretical charge. Scientists have developed a new type of silicon anode, which they claim could lead to smaller. Silicon anodes lithium ion batteries abstract a novel polymer is designed to serve as the conductive binder for high capacity silicon anodes in lithium ion batteries libs, aiming to address fast capacity fade and poor cycle life of silicon anodes caused by large volume change during repeated cycles. High performance lithium ion battery anodes based on carbon. Highperformance lithium battery anodes using silicon nanowires. Request pdf highperformance lithium battery anodes using silicon nanowires there is great interest in developing rechargeable lithium batteries with higher energy capacity and longer cycle.
High performance ge nanowire anode sheathed with carbon for. Peter kalisvaart, ab alireza kohandehghan, ab beniamin zahiri, ab chris m. Silicon anodes to boost lithiumion battery capacity. High performance ge nanowire anode sheathed with carbon for lithium rechargeable batteries minho seo,a mihee park,a kyu tae lee,a kitae kim,b jeyoung kimb and jaephil choa received 12th october 2010, accepted 9th november 2010 doi. Here we report the formation of highperformance and highcapacity lithiumion battery anodes from highdensity germanium nanowire arrays grown directly from the current collector.
Silicon nanoparticles used to create a superperforming. Surfacemodified silicon nanowire anodes for lithiumion. Research on electrospinning chs into amorphous silicon nanowires was published by north dakota state university back in 2010. Silicon nanowire core aluminum shell coaxial nanocomposites. Electrode binders have significant influences on lithiumion battery performance. Highperformance lithium battery anodes using silicon. Develop, optimize and validate silicon nanowire anodes as a viable platform for use in conjunction with commercial cathode materials in next generation highenergy lithiumion batteries for vehicle applications. In addition to being low cost, large area, and easy to prepare, the electrolessetched silicon nanowires sinws have good conductivity and nanometerscale rough surfaces. Dec 16, 2007 high performance lithium battery anodes using silicon nanowires. Silicon nanowires with hydride, methyl and siloxane surfaces terminations were evaluated as anodes in lithium ion half cells using lipf 6 in ecdmc electrolytes. Carbon coating of the silicon nanowires using the pyrolysis of sugar was found to. Ultrathin graphdiyne nanosheets grown in situ on copper nanowires and their performance as lithium.
Enhanced lithium ion battery cycling of silicon nanowire. Enhanced lithium ion battery cycling of silicon nanowire anodes by template growth to eliminate silicon underlayer islands. Silicon is one of the most promising anode materials for the nextgeneration high energy lithium ion battery lib, while sulfur and some other lithium free materials have recently shown high promise as cathode materials. Is liquid silicon the key to better lithiumion battery anodes. The next step in battery evolution may 11, 2016 by dylan wadler a new nanowire battery chemistry allows for longer life than current technologies can match. Although twodimensional silicon based materials show significantly improved performance, flexible synthesis of such materials is still a challenge.