Ultrathin Graphdiyne Nanosheets Grown In Situ on Copper Nanowires and Their Performance as Lithium‐Ion Battery Anodes

Shang, Hong; Zuo, Zicheng; Li, Liang; Wang, Fan; Liu, Huibiao; Li, Yongjun; Li, Yuliang

doi:10.1002/anie.201711366

Cited by 267 publications

(173 citation statements)

References 51 publications

(56 reference statements)

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“…After calculation, the GITT values of Sb 2 O 3 , Sb 2 O 3 -RGO, and RGO are shown in Figure 7f-i. These peak shifts are attributed to the contribution of capacitive behavior, and the relationship are calculated between peak current (i) and scan rate (v) as follows: [52] = I av b (2) Adv. Such high D K+ of Sb 2 O 3 -RGO electrode can remarkable accelerate the diffusion of K-ion, which is helpful to improve their electrochemical performance for K-ion storage.…”

Section: Resultsmentioning

confidence: 99%

K‐Ion Storage Enhancement in Sb₂O₃/Reduced Graphene Oxide Using Ether‐Based Electrolyte

Zhuang

Xie

et al. 2019

Advanced Energy Materials

119

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In this work, an ether‐based electrolyte is adopted instead of conventional ester‐based electrolyte for an Sb2O3‐based anode and its enhancement mechanism is unveiled for K‐ion storage. The anode is fabricated by anchoring Sb2O3 onto reduced graphene oxide (Sb2O3‐RGO) and it exhibits better electrochemical performance using an ether‐based electrolyte than that using a conventional ester‐based electrolyte. By optimizing the concentration of the electrolyte, the Sb2O3‐RGO composite delivers a reversible specific capacity of 309 mAh g−1 after 100 cycles at 100 mA g−1. A high specific capacity of 201 mAh g−1 still remains after 3300 cycles (111 days) at 500 mA g−1 with almost no decay, exhibiting a longer cycle life compared with other metallic oxides. In order to further reveal the intrinsic mechanism, the energy changes for K atom migrating from surface into the sublayer of Sb2O3 are explored by density functional theory calculations. According to the result, the battery using the ether‐based electrolyte exhibits a lower energy change and migration barrier than those using other electrolytes for K‐ion, which is helpful to improve the K‐ion storage performance. It is believed that the work can provide deep understanding and new insight to enhance electrochemical performance using ether‐based electrolytes for KIBs.

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Section: Resultsmentioning

confidence: 99%

K‐Ion Storage Enhancement in Sb₂O₃/Reduced Graphene Oxide Using Ether‐Based Electrolyte

Zhuang

Xie

et al. 2019

Advanced Energy Materials

119

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“…The electrochemical performance of the MCMB//HPAC4 SHB was then investigated in the voltage window of 0–3.8 V. CV curves at different scan rates (Figure a) were investigated to analyze the kinetics process of the SHB according to the formula i =a v b ( i is the peak current and v is the scan rate) . The b values (Figure b) of the cathodic peak and anodic peak of the SHB were calculated to be 0.75 and 0.65 respectively, which are between 1.0 (fully capacitive behavior) and 0.5 (fully diffusion controlled), indicating the contribution from both diffusion‐controlled process and surface capacitive behavior.…”

Section: Figurementioning

confidence: 99%

Sodium‐Ion Hybrid Battery Combining an Anion‐Intercalation Cathode with an Adsorption‐Type Anode for Enhanced Rate and Cycling Performance

Lang

Zhang

et al. 2019

Batteries & Supercaps

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Sodium‐ion batteries (SIBs) are based on natural abundant and low‐cost materials and show a good chemical safety. They have thus become an alternative battery technology to conventional lithium‐ion batteries. However, SIBs usually suffer from poor rate capability and insufficient cycling performance caused by the sluggish reaction kinetics of the large Na+ ions, restricting their practical application. Herein, we report a novel sodium‐ion hybrid battery (SHB) combining an anion intercalation‐type graphite cathode material with an adsorption‐type hierarchical porous carbon anode material. The hierarchical porous amorphous carbon is derived from a natural biomass template with macro‐, meso‐, and micro‐ pores as well as high specific surface area, which are beneficial for fast adsorption/desorption of Na+ ions. Consequently, attributed from the hybrid battery design, this SHB exhibits excellent rate capability and cycling performance with a reversible capacity of 80 mAh g−1 at 2 C over a voltage window of 0–3.8 V and capacity retention of 87 % after 1000 cycles at 10 C.

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“…Neben den Übergangsmetalloxiden und Übergangsmetallsalzen sind auch verschiedene 2D-Schichtmaterialien hochinteressant. So wurden beispielsweise Metallchalkogenide wie SnS 2 , WS 2 , CoS 2 , WS 2 [121] und 2D-MOFs wie Mn-, Niund Co-2D-MOF-Nanoblätter [122] in LIBs und/oder KIBs eingesetzt. Insbesondere hat sich die von Gogotsi und Mitarbeitern entdeckte große Familie der Mxene [123] als hochinteressantes neues Anodenmaterial für DIBs herausgebildet.…”

Section: D-schichtmaterialienunclassified

Strategien für kostengünstige und leistungsstarke Dual‐Ionen‐Batterien

et al. 2019

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Wiederaufladbare Lithiumionen‐Batterien (LIBs) stellen den aktuellen Stand der Technik im Hinblick auf die globalen Probleme sich verknappender und umweltschädlicher fossiler Brennstoffe dar und werden bereits umfassend in elektronischen Geräten und Elektrofahrzeugen (EVs) eingesetzt. Für EVs und große Netzenergiespeicher stehen sie direkt vor einer umfassenden Kommerzialisierung. Während die Nachfrage rasant steigt, werden allerdings die Ressourcen für Lithium und Cobalt knapp. Bei steigenden Kosten entsteht ein erheblicher Anreiz, kostengünstige wiederaufladbare Batteriesysteme zu entwickeln. Bei Dual‐Ionen‐Batterien (DIBs) nehmen sowohl Kationen als auch Anionen an der elektrochemischen Redoxreaktion teil. Diese Akkumulatoren sind gegenüber herkömmlichen Rocking‐Chair‐LIBs außerordentlich sicher und umweltfreundlich und könnten die preislichen Erwartungen für kommerzielle Anwendungen bestens erfüllen. Allerdings muss man sich im Klaren darüber sein, dass sich die DIB‐Technologie noch tief in der Grundlagenforschung befindet. Um höhere Energiedichten und Lebensdauern zu erreichen, müssen noch erhebliche Anstrengungen unternommen werden. In diesem Aufsatz wollen wir die Geschichte und den aktuellen Entwicklungsstand von DIBs erörtern. Die Reaktionskinetik wird erläutert, darunter die verschiedenen anionischen Interkalationsmechanismen an der Kathode sowie die Reaktionen an der Anode wie Interkalierung, Legierungsbildung usw. Ziel ist es, vielversprechende Strategien für kostengünstige DIBs mit hoher Leistung zu finden.

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Ultrathin Graphdiyne Nanosheets Grown In Situ on Copper Nanowires and Their Performance as Lithium‐Ion Battery Anodes

Cited by 267 publications

References 51 publications

K‐Ion Storage Enhancement in Sb₂O₃/Reduced Graphene Oxide Using Ether‐Based Electrolyte

K‐Ion Storage Enhancement in Sb₂O₃/Reduced Graphene Oxide Using Ether‐Based Electrolyte

Sodium‐Ion Hybrid Battery Combining an Anion‐Intercalation Cathode with an Adsorption‐Type Anode for Enhanced Rate and Cycling Performance

Strategien für kostengünstige und leistungsstarke Dual‐Ionen‐Batterien

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Ultrathin Graphdiyne Nanosheets Grown In Situ on Copper Nanowires and Their Performance as Lithium‐Ion Battery Anodes

Cited by 267 publications

References 51 publications

K‐Ion Storage Enhancement in Sb2O3/Reduced Graphene Oxide Using Ether‐Based Electrolyte

K‐Ion Storage Enhancement in Sb2O3/Reduced Graphene Oxide Using Ether‐Based Electrolyte

Sodium‐Ion Hybrid Battery Combining an Anion‐Intercalation Cathode with an Adsorption‐Type Anode for Enhanced Rate and Cycling Performance

Strategien für kostengünstige und leistungsstarke Dual‐Ionen‐Batterien

Contact Info

Product

Resources

About

K‐Ion Storage Enhancement in Sb₂O₃/Reduced Graphene Oxide Using Ether‐Based Electrolyte

K‐Ion Storage Enhancement in Sb₂O₃/Reduced Graphene Oxide Using Ether‐Based Electrolyte