us9253827b2 - graphite electrodes - google patents

Hard Carbon Composite Electrodes for Sodium‐Ion

Graphite cannot be reversibly cycled in sodium‐ion batteries with carbonate electrolytes, so hard carbon is commonly used as the negative electrode material. 13, 19-21 Compared to graphite, hard carbon has a lack of order in the c‐direction, which causes a 22,

Rechargeable Batteries: Materials, Technologies and New

In his research areas, Dr. Zhang has authored 119 peer-referred journal papers, owned 22 patents/applications, and edited a review book. His publications have been frequently ranked as the Top 25 Hottest Articles by Elsevier journals such as J. Power Sources and Electrochim.

Electrolytes for Lithium and Lithium

Electrolytes for Lithium and Lithium-ion Batteries provides a comprehensive overview of the scientific understanding and technological development of electrolyte materials in the last several years. This book covers key electrolytes such as LiPF6 salt in mixed

Graphene: Synthesis and Applications

Since the late 20th century, graphene-a one-atom-thick planar sheet of sp2-bonded carbon atoms densely packed in a honeycomb crystal lattice-has garnered appreciable attention as a potential next-generation electronic material due to its exceptional properties.

Rechargeable Dual‐Ion Batteries with Graphite as a

Rechargeable graphite dual‐ion batteries (GDIBs) have attracted the attention of electrochemists and material scientists in recent years due to their low cost and high‐performance metrics, such as high power density (≈3–175 kW kg −1), energy efficiency (≈80–90%), long cycling life, and high energy density (up to 200 Wh kg −1), suited for grid‐level stationary storage of

The mechanics of consumption of graphite electrodes in

The holder of numerous patents, Schwabe is active in the planning of new arc furnaces and electric meltshops. He has considerable furnace research and development work to his credit, including the areas of arc physics, heat transfer, power utilization, improved furnace design and power balance, ultrahigh power concept, and refractory index.

carbon electrode electrolysis

Graphite electrodes are used for the recycling of steel in the electric arc furnace industry, Google Patents Carbon electrode, and method and apparatus for the electrolysis Electrolysis of silver nitrate solution with carbon fibre 2017/03/09 Carbon fibre Here, a

Tris(trimethylsilyl) Phosphite (TMSPi) and Triethyl Phosphite

2019/11/30Tris(trimethylsilyl) phosphite (TMSPi) has emerged as an useful electrolyte additive for lithium ion cells. This work examines the use of TMSPi and a structurally analogous compound, triethyl phosphite (TEPi), in LiNi 0.5 Mn 0.3 Co 0.2 O 2-graphite full cells, containing a (baseline) electrolyte with 1.2 M LiPF 6 in EC:EMC (3:7 w/w) and operating between 3.0–4.4 V. Galvanostatic cycling data


This work reviews physicochemical models on the operation and the response of potentiometric oxygen gas sensors based on ion-conducting electrolytes. The aim for describing the electric response and some properties like response time, ionic conductivity, catalytic activity, or gas selectivity of these devices has led to the development of some models in the last decades. These models have

Bioderived Molecular Electrodes for Next‐Generation

1 Introduction The commercialization of the lithium‐ion battery (LIB) by Sony in 1991 ushered in a new era of portable electronics upon which the majority of global consumers are dependent to this day. 1, 2 It may be argued that this innovation is more critical now than ever, with the growing popularity of smartphones and the emergence of electric vehicles.


A.K. Mishra and S. Ramaprabhu*, Removal of metals from aqueous solution and sea water by functionalized graphite nanoplatelets based electrodes, Journal of Hazardous Materials 185 (2011) 322-328. A.K. Mishra and S. Ramaprabhu*, Functionalized graphene sheets for arsenic removal and desalination of sea water, Desalination 282 (2011) 39-45.

GrafTech International Ltd.

We are Graftech A global graphite electrode leader delivering highly engineered services, customer-first solutions and essential products – all backed by an exceptional history, 130 years and counting. Since our inception in 1886, we have been innovating and finding

Rechargeable Dual‐Ion Batteries with Graphite as a

Rechargeable graphite dual‐ion batteries (GDIBs) have attracted the attention of electrochemists and material scientists in recent years due to their low cost and high‐performance metrics, such as high power density (≈3–175 kW kg −1), energy efficiency (≈80–90%), long cycling life, and high energy density (up to 200 Wh kg −1), suited for grid‐level stationary storage of

Free Full

Monadi et al. [] stated that to separate graphite by hydrometallurgical methods, the anode has to be treated separately from the cathode, pointing out the need for pre-separation of graphite. As seen, OnTo is the only process in Table 6 that explicitly recovers graphite for LIB anode manufacturing using CO 2 in supercritical conditions followed by thermal treatment [ 51 ].


Another embodiment disclosed herein includes an electrode column comprising a plurality of monolithic graphite electrodes. The column has a length of more than 3050 mm of electrode per joint. A further embodiment discussed herein is the practice of increasing the length of the electrode to minimize the occurrence of an electrode joint in the electrode column for a given length.


Lithium batteries are electrochemical devices that are widely used as power sources. This history of their development focuses on the original development of lithium-ion batteries. In particular, we highlight the contributions of Professor Michel Armand related to the electrodes and

Electrodes en graphite

2006/11/8Re : Electrodes en graphite Bjr, Pour l'ensemble des applications en lectrochimie je ne sais pas dire, mais en lectro-mtallurgie l'laboration des lectrodes de graphite est particulitement complexe et s'apparente l'laboration des composites carbone-carbone, les techniques de carbonisation et de graphitisation sont assez proches.

Microstructural Analysis of the Effects of Thermal

The LIB cell (85 45 8 mm, AA Portable Power Corp., Richmond, CA) which had a capacity of 10.5 Wh (2500 mAh) is based on a LiCoO 2 (LCO) positive and graphite (negative) electrode material, with a tri-layer (shutdown) separator, and the composition of the

Reverse electrodialysis: evaluation of suitable electrode

2010/4/29In some patents for electrodialysis (ED), systems are described with composite electrodes [37–39]. These electrodes consist of an alternate array of strips of anode and cathode material. The power supply can be connected to the proper array on each


31 Sangam Srikanth, Jaligam Murali Mohan, Sushil Raut, Satish Kumar Dubey, Idaku Ishii, Arshad Javed and Sanket Goel (2021), Droplet Based Microfluidic Device Integrated with Ink Jet Printed Three Electrode System for Electrochemical Detection of Ascorbic Acid, Sensors and Actuators: A. Physical, vol. 325, 112685.

The Power

Hence, the hard carbon was added to the graphite electrodes to introduce more sloping features to the voltage profile which improved the sensitivity of OCV-SOC relationship [16]. Despite the recent research efforts, the mechanism of coupling the hard carbon and the graphite is still not well understood.


Nanomaterials describe, in principle, materials of which a single unit small sized (in at least one dimension) between 1 and 100 nm (the usual definition of nanoscale [1]). Nanomaterials research takes a materials science-based approach to nanotechnology, leveraging advances in materials metrology and synthesis which have been developed in support of microfabrication research.

Production of Graphite Additive

Development of colloidal graphite for energy-saving oil agent in the late 70 's, foreign countries did a lot of work. such as the United States, France, Japan, federal Germany have patents. Our country has been developed since 1983, after more than two years of work, the successful development of only the world-level energy-saving oil colloid carbon electrode .

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