Ranjan K Dash

US Patent:

20120219488, Aug 30, 2012

Filed:

Feb 13, 2012

Appl. No.:

13/371507

Inventors:

Ranjan Dash - King of Prussia PA, US

Assignee:

Y-CARBON, INC. - Bristol PA

International Classification:

C01B 31/02
B01J 19/00

US Classification:

423445 R, 422149

Abstract:

A reactor apparatus for continuous manufacturing of porous carbon material by halogenation of carbides is provided. The reactor apparatus comprises a sample loading assembly, a reactor positioned within a metal housing and in closed circuit communication with the sample loading assembly, and a material receiving assembly. The sample loading assembly loads samples of carbides into the reactor. The metal housing maintains an inert atmosphere around the reactor. The reactor defines one or more process paths for transporting samples of carbides through a halogen atmosphere and/or a post-treatment atmosphere for yielding porous carbon material. Process vents, positioned on the reactor and the metal housing, pass inert gases and reactant gases past the samples of carbides at predetermined temperatures and exit process gases through a condenser unit. The condenser unit traps metal halide by-products. The material receiving assembly, in closed circuit communication with the reactor, removes and stores the porous carbon material.

US Patent:

20090301902, Dec 10, 2009

Filed:

Jun 1, 2006

Appl. No.:

11/915953

Inventors:

Yury Gogotsi - Ivyland PA, US
Gleb Yushin - Philadelphia PA, US
Ranjan Kumar Dash - Philadelphia PA, US
John E. Fisher - Swarthmore PA, US

International Classification:

F17C 11/00
C01B 31/02

US Classification:

2067, 423445 R

Abstract:

Methods for producing and using nanoporous carbide-derived carbon in applications involving gas storage are provided.

US Patent:

20190185382, Jun 20, 2019

Filed:

Aug 25, 2017

Appl. No.:

16/327621

Inventors:

- Houston TX, US
Theodorus Hoeks - Bergen op Zoom, NL
Ranjan Dash - Royersford PA, US
Thomas L. Evans - Mount Vernon IN, US
Neal Pfeiffenberger - Conshohocken PA, US
Jonathan Bock - Albuquerque NM, US
Chiel Albertus Leenders - Fijnaart, NL
Mark John Armstrong - Bergen op Zoom, NL

International Classification:

C04B 35/645
C04B 35/495
C04B 35/453
C04B 35/634
C04B 35/626

Abstract:

Described herein are cold-sintered ceramic polymer composites and processes for making them from inorganic compound starting materials and polymers. The cold sintering process and wide variety of polymers permit the incorporation of diverse polymeric materials into the ceramic.

US Patent:

20180316014, Nov 1, 2018

Filed:

Aug 30, 2016

Appl. No.:

15/771471

Inventors:

Ranjan DASH - Royersford PA, US
- Bergen op Zoom, NL
Jessica Scaranto - Thuwal, SA

International Classification:

H01M 4/62
H01M 4/58
H01M 4/525
H01M 4/134
H01M 4/136
H01M 4/04
H01M 10/0525

Abstract:

An electrode material comprising (a) a polymeric binder, (b) a lithium-based electrochemically active material, and (c) an electrically conductive filler; wherein the polymeric binder comprises one or more sulfur-based functional groups; and wherein the electrode material is characterized by a binding energy between the one or more sulfur-based functional groups and the lithium-based electrochemically active material of from about 0.3 eV to about 2.5 eV. A method of making a battery electrode comprising (i) mixing a lithium-based electrochemically active material, an electrically conductive filler, and a polymeric binder to form an electrode material, wherein the polymeric binder comprises one or more sulfur-based functional groups, and (ii) contacting the electrode material with a current collector to form the battery electrode.