Curly MnOx nanomembranes as cathode materials for rechargeable lithium–oxygen battery systems

Lu, Xueyi; Si, Wenping; Sun, Xiaolei; Deng, Junwen; Xi, Lixia; Liu, Bo; Yan, Chenglin; Schmidt, Oliver G.

doi:10.1016/j.jpowsour.2015.07.018

Cited by 17 publications

(12 citation statements)

References 32 publications

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“…Some key battery parameters of these MnO x ‐based cathodes are shown in Table 3 . The cathode containing curly MnO x nanofilm catalyst delivered a reversible capacity of 4610 mAh g carbon −1 and a stable cycle life of 112 cycles . It is noteworthy that though the specific capacity and the cyclic stability were significantly enhanced compared with super P carbon, the charge potential was above 4 V, as shown in Figure c.…”

Section: The Types Of Manganese‐based Oxides For Li–o2 Battery Cathodmentioning

confidence: 91%

“…Moreover, they found that the annealing temperature and the type of carbon carrier would affect the catalytic activity . Lu et al developed a series of MnO x ‐based nanofilms by a rolled‐up technology, such as curly MnO x monolayer nanofilm, trilayered Pd/MnO x /Pd nanofilm, Pd nanoparticles functionalized MnO x –GeO y nanofilm, and Au–Pd codecorated MnO x nanofilm. A typical preparation for Pd nanoparticles functionalized MnO x –GeO y nanofilm was given in Figure a.…”

Section: The Types Of Manganese‐based Oxides For Li–o2 Battery Cathodmentioning

confidence: 99%

“…Among numerous catalysts, transition metal oxides have their own unique advantages, especially manganese (Mn)‐based oxides. For instance, besides the variety of crystal structure resulting from multiple valence states of Mn element as well as the intrinsically remarkable ORR and OER catalytic activity, Mn‐based oxides also have the advantages of low‐cost, abundant reserves, environment‐friendliness, and low toxicity. Specifically, (1) manganese oxides have abundant crystal structure.…”

Section: Introductionmentioning

confidence: 99%

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Advances in Manganese‐Based Oxides Cathodic Electrocatalysts for Li–Air Batteries

Bao

Sun

Liu

et al. 2018

Adv Funct Materials

136

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Li-air batteries, characteristic of superhigh theoretical specific energy density, cost-efficiency, and environment-friendly merits, have aroused ever-increasing attention. Nevertheless, relatively low Coulomb efficiency, severe potential hysteresis, and poor rate capability, which mainly result from sluggish oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) kinetics, as well as pitiful cycle stability caused by parasitic reactions, extremely limit their practical applications. Manganese (Mn)-based oxides and their composites can exhibit high ORR and OER activities, reduce charge/discharge overpotential, and improve the cycling stability when used as cathodic catalyst materials. Herein, energy storage mechanisms for Li-air batteries are summarized, followed by a systematic overview of the progress of manganesebased oxides (MnO 2 with different crystal structures, MnO, MnOOH, Mn 2 O 3 , Mn 3 O 4 , MnOx, perovskite-type and spinel-type manganese oxides, etc.) cathodic materials for Li-air batteries in the recent years. The focus lies on the effects of crystal structure, design strategy, chemical composition, and microscopic physical parameters on ORR and OER activities of variousMn-based oxides, and even the overall performance of Li-air batteries. Finally, a prospect of the research for Mn-based oxides cathodic catalysts in the future is made, and some new insights for more reasonable design of Mn-based oxides electrocatalysts with higher catalytic efficiency are provided.

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Section: The Types Of Manganese‐based Oxides For Li–o2 Battery Cathodmentioning

confidence: 91%

Section: The Types Of Manganese‐based Oxides For Li–o2 Battery Cathodmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Advances in Manganese‐Based Oxides Cathodic Electrocatalysts for Li–Air Batteries

Bao

Sun

Liu

et al. 2018

Adv Funct Materials

136

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“…[20] In their work, Ebeam deposited MnO x nanomembranes were released from silicon substrates to form rolledup tubes (Figure 8a,b). [20] In their work, Ebeam deposited MnO x nanomembranes were released from silicon substrates to form rolledup tubes (Figure 8a,b).…”

Section: Single-layered Mno X Rolled-up Tubes For Li-o 2 Batteriesmentioning

confidence: 99%

“…[8,9] In recent years, with the rapid development of mate rial science and nanotechnology, energy storage devices with enhanced performance have been realized, [2,[6][7][8][9][10] and they have emerged as the dominant power sources for portable electronics in modern society. [13][14][15][16][17][18][19][20][21][22][23][24][25] In particular, nanostructures prepared by rolledup nanotechnology offer controllable surface area, short charge diffusion distance, and large freedom for volume change during charge/discharge cycles. [11,12] Noticeably, nanomateirals derived from rolledup nanotechnology have attracted world wide interest recently, and remarkable progress has been made when introducing this technology into the design of energy storage devices.…”

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confidence: 99%

Introducing Rolled‐Up Nanotechnology for Advanced Energy Storage Devices

Deng

Liu

et al. 2016

Advanced Energy Materials

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the aim to circumvent the intermittency of these dynamic resources and provide power supply on demand, energy storage systems that can effectively store the elec trical energy are strongly demanded. [5][6][7] Among numerous electrical energy storage (EES) devices available today, lithium batteries, capacitors, and super capacitors are particularly appealing owing to their large capabilities of storing energy with long service lifetime. [8,9] In recent years, with the rapid development of mate rial science and nanotechnology, energy storage devices with enhanced performance have been realized, [2,[6][7][8][9][10] and they have emerged as the dominant power sources for portable electronics in modern society. Despite the advances already achieved, per formance of these EES devices still needs to be further improved in order to meet the higher requirements of future systems, ranging from microelectrochemcial sys tems (MEMS) to electrical transportation systems like electric vehicles.The development of the electrode mate rials is essential for the improvement of high performance EES systems. [11,12] Noticeably, nanomateirals derived from rolledup nanotechnology have attracted world wide interest recently, and remarkable progress has been made when introducing this technology into the design of energy storage devices. [13][14][15][16][17][18][19][20][21][22][23][24][25] In particular, nanostructures prepared by rolledup nanotechnology offer controllable surface area, short charge diffusion distance, and large freedom for volume change during charge/discharge cycles. In this sense, rolledup nano structured materials can be expected to improve the energy den sity, life cycle, and rate capability of lithiumbased batteries. In addition, the high compatibility with lithography and physical vapor deposition techniques makes rolledup nanotechnology suitable for labonachip EES device fabrication as well as other tremendous integrative devices applications. [26][27][28][29][30] In this report, we focus on the recent progress of using rolledup nanostructured materials as electrodes to develop advanced EES devices, including Liion batteries (LIBs) and LiO 2 batteries. In addition, single tube based EES micro devices as diagnostic electrochemical probes for basic mechanistic investigations are summarized. Notable progress of introducing rolledup nanotechnology into the design of scalable and ultra compact electrostatic capacitors with superior performance is also reviewed. Finally, future trends of applying rolledup nanotechnology to other potential applications, such as scalable Energy storage devices, acting as complementing units for renewable energy sources, play a key role in modern society, and they serve as the dominant power supply for most portable electronics. At the heart of the development of next-generation energy storage devices lies the exploration of intrinsic material properties, architectural design and fabrication methods. Rolled-up nanotechnology, a unique method to self-assemble nanomembranes into 3D structure...

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Synthesis of Wafer‐Scale Graphene with Chemical Vapor Deposition for Electronic Device Applications

Sun

Pang

Cheng

et al. 2021

Adv Materials Technologies

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The first isolation of graphene opens the avenue for new platforms for physics, electronic engineering, and materials sciences. Among several kinds of synthesis approaches, chemical vapor deposition is most promising for the growth at wafer‐scale, which is compatible with the Si‐based electronic device integration protocols. In this review, the types, properties, and synthesis methods of graphene are first introduced. Many details of wafer‐scale graphene synthesis by chemical vapor deposition strategies are given, including the wafer‐scale single crystal metal and alloy preparation, roll to roll synthesis over Cu, roll to roll electrochemical transfer technique. Besides, the batch‐to‐batch synthesis are highlighted for direct graphene over dielectric substrates such as sapphire and Si/SiO2. The electronic transport and transparent conductance of the wafer‐scale graphene are compared with high‐quality single crystal. The progress and proof‐of‐the‐concept are briefly recalled in graphene‐based electronics such as transistors, sensors, integrated circuits, and spin transport valves. Eventually, the readers are provoked with the current challenges as well as the future opportunities.

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Curly MnOx nanomembranes as cathode materials for rechargeable lithium–oxygen battery systems

Cited by 17 publications

References 32 publications

Advances in Manganese‐Based Oxides Cathodic Electrocatalysts for Li–Air Batteries

Advances in Manganese‐Based Oxides Cathodic Electrocatalysts for Li–Air Batteries

Introducing Rolled‐Up Nanotechnology for Advanced Energy Storage Devices

Synthesis of Wafer‐Scale Graphene with Chemical Vapor Deposition for Electronic Device Applications

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