Graphene lithium-ion capacitor

Graphene-Based Cathode Materials for Lithium-Ion

Lithium-ion capacitors (LICs) are attracting increasing attention because of their potential to bridge the electrochemical performance gap between batteries and supercapacitors. However, the commercial application of current

Recent progress of graphene-based materials in lithium-ion capacitors

Herein, we provide a critical overview of the latest progress related to graphene and graphene-based materials in this booming field. A brief summary of the state-of-art electrode materials in LICs is introduced, which is followed by a systematic review of graphene-based materials as cathode and anode materials in LICs.

Unraveling the energy storage mechanism in graphene-based

Graphene has been extensively utilized as an electrode material for nonaqueous electrochemical capacitors. However, a comprehensive understanding of the charging mechanism and ion arrangement at

Spiral Graphene Coupling Hierarchically Porous Carbon Advances

For the first time, novel spiral graphene (SGs), which are fabricated by an ultra-facile and robust catalytic graphitization strategy, are reported as a promising negative electrode material for lithium ion capacitors (LICs).

Enhanced Electrochemical Performance of Low-Content Graphene

The enhancement of electrochemical performance in lithium-ion battery (LIB) anode materials through nanostructures is of paramount importance, facilitated by the synergistic integration of these unique architectures with active materials, which increases the availability of active sites and decreases the diffusion path for lithium ions. In this investigation, we

A Comprehensive Review of Graphene-Based Anode

Lithium-ion capacitors (LICs) are considered to be one of the most promising energy storage devices which have the potential of integrating high energy of lithium-ion batteries and high power and long cycling life of supercapacitors

Graphene-based lithium ion capacitor with high gravimetric energy

Hybrid capacitor configurations are now of increasing interest to overcome the current energy limitations of supercapacitors this work, we report a lithium ion capacitor (LIC) entirely based on graphene. On the one hand, the negative –battery-type- electrode consists of a self-standing, binder-free 3D macroporous foam formed by reduced graphene oxide and

Hybrid lithium-ion capacitors with asymmetric graphene electrodes

In this work, we designed, constructed, and studied an asymmetric hybrid lithium-ion capacitor (LIC) by combining an electric double-layer capacitor cathode and a lithium-ion battery anode. Both electrodes were made of a single-wall carbon nanotube and graphene (SG) composite to reduce restacking of the graphene nanosheets, to

Graphene as Vehicle for Ultrafast Lithium Ion Capacitor

Herein we report a series of lithium ion capacitors (LICs) with extraordinary energy-to-power ratios based on olive pit recycled carbons and supported on graphene as a conducting matrix. LICs typically present limited energy densities at high power densities due to the sluggish kinetics of the battery-type electrode. To circumvent

Lithium-ion capacitor

Lithium-ion capacitors offer superior performance in cold environments compared to traditional lithium-ion batteries. As demonstrated in recent studies, LiCs can maintain approximately 50% of their capacity at temperatures as low as -10°C under high discharge rates (7.5C). In contrast, lithium-ion batteries experience a significant reduction in capacity, dropping to around 50%

A Comprehensive Review of Graphene-Based Anode Materials for Lithium

Lithium-ion capacitors (LICs) are considered to be one of the most promising energy storage devices which have the potential of integrating high energy of lithium-ion batteries and high power and long cycling life of supercapacitors into one system. However, the current LICs could only provide high power density at the cost of low energy

Modified graphite and graphene electrodes for high-performance lithium

Lithium ion capacitors (LICs) have recently received considerable attention as a new class of energy storage system because they possess the combined advantages of lithium ion batteries and supercapacitors. LICs typically consist of activated carbon cathodes and pre-lithiated graphite anodes. Despite the promising electrochemical performance, most LICs still

All-graphene-battery: bridging the gap between supercapacitors

We demonstrate that this advanced all-graphene-battery is capable of delivering an energy density of 130 Wh kg −1total electrode at a power density of 2,150 W kg −1total electrode. It combines...

Supercapacitor technology: The potential of graphene

Supercapacitors have sometimes been heralded as replacements for lithium-ion batteries (LIBs), offering a variety of compelling advantages, including increased safety, faster charging/discharging, and

All-graphene-battery: bridging the gap between

We demonstrate that this advanced all-graphene-battery is capable of delivering an energy density of 130 Wh kg −1total electrode at a

Lithium/sodium-ion capacitors based on 3D graphene-based

In this article, we reviewed the research progress of 3D graphene-based materials in lithium-ion capacitors (LICs) and sodium ion capacitors (SICs). Firstly, the energy storage principle and development requirements of LICs and SICs are introduced. The fabrication of 3D graphene materials is then summarized. The key advantages and

Graphene-Based Cathode Materials for Lithium-Ion Capacitors:

Lithium-ion capacitors (LICs) are attracting increasing attention because of their potential to bridge the electrochemical performance gap between batteries and supercapacitors. However, the commercial application of current LICs is still impeded by their inferior energy density, which is mainly due Graphene-Based Cathode Materials for Lithium

Lithium-ion capacitor based on nanoarchitectured polydopamine/graphene

Lithium-ion capacitor based on nanoarchitectured polydopamine/graphene composite anode and porous graphene cathode Author links open overlay panel Yuqi Yang a 1, Qingyang Lin a 1, Bing Ding a b, Jie Wang b, Victor Malgras b, Jiangmin Jiang a, Zhiwei Li a, Shuang Chen a, Hui Dou a, Saad M. Alshehri c, Tansir Ahamad c, Jongbeom Na d,

Graphene for batteries, supercapacitors and beyond

Uniquely arranged graphene-on-graphene structure as a binder-free anode for high-performance lithium-ion batteries. Small 10, 5035–5041 (2014). CAS Google Scholar

Phosphorus‐Functionalized Graphene for Lithium‐Ion Capacitors

Herein, we report an easy approach for the preparation of graphene-based materials suitable as electrodes for lithium-ion capacitors (LICs). To the best of our knowledge, this is the first time that phosphorus-functionalized graphene oxide (rGO800-P) is used as negative (battery-type) electrode in LICs technology. An activated carbon

Graphene-based lithium ion capacitor with high gravimetric energy

Built in 1 M LiPF 6 EC:DMC, the graphene-based LIC shows an outstanding, 10-fold increase in energy density with respect to its EDLC counterpart at low discharge rates (up to 200 Wh kg−1). Furthermore, it is still capable to deliver double the energy in the high power region, within a discharge time of few seconds. 1. Introduction.

Hybrid lithium-ion capacitors with asymmetric graphene

In this work, we designed, constructed, and studied an asymmetric hybrid lithium-ion capacitor (LIC) by combining an electric double-layer capacitor cathode and a lithium-ion battery anode. Both electrodes were made of a single-wall carbon nanotube and graphene (SG) composite to reduce restacking of the graphene nanosheets, to

Graphene-Based Cathode Materials for Lithium-Ion Capacitors:

Graphene-based nanomaterials have been recognized as one of the most promising cathodes for LICs due to their unique properties, and exciting progress has been achieved. Herein, in this review, the recent advances of graphene-based cathode materials for LICs are systematically summarized.

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