Basf Se Corporation

Basf Aktiengesellschaft

Wayne State University

Georg-August-Universität Göttingen

Kerstin Schierle-Arndt

Stephan Maurer

Michael Lutz

Jürgen Wortmann

Michael Ladenberger

Wolfgang Rohde

Torben Adermann

Florian Garlichs

Hermann P&uuml;tter

Josef Guth

Dieter Schl&auml;fer

Karolin Geyer

Fabian Seeler

G&uuml;nther Huber

Hagen Wilmer

Regina Vogelsang

Günther Huber

Ivor Wynn Jones

Sabine Weiguny

Daniel Loeffler

Katharina Federsel

Guenther Huber

Michael Hesse

Ulrich Müller

Hans-Josef Sterzel

Rocco Paciello

Peter Zehner

Otto Machhammer

Markus Schubert

Charles H Winter

Thomas Schaub

Ian C Faye

Frieder Borgmeier

Holger Friedrich

Matthias Rauls

Johan Ter Maat

Felix Eickemeyer

Timo Ott

Thorsten Allgeier

J&ouml;rg Botzem

Jan-Michael Graehn

Markus Ostermayr

Juergen Wortmann

Madalina Andreea Stefan

Julia Strautmann

Jan Spielmann

Birgit Gerke

Martin Gärtner

Jurgen Wortmann

Katharina Kaleta

Matthias Voges

Stephen Nicholas Heavens

John Stuart Blackburn

Thomas Michael Ryll

Sinja Verena Klenk

Nuria Huguet Subiela

Andreas Kempter

Carolin Limburg

Nilanka Weerathunga Sirikkathuge

Michael Zeilinger

Bjoern Kaibel

Kai Oertel

Bernd Schube

Ingo Biertuempel

Florian Blasberg

Frank Haass

Jan Gerkens

Sven Schneider

Frank Piepenbreier

Martin Gartner

Markus Schwind

Felix Major

Diethard Lenz

Daniel Löffler

Mattias Voges

Anne-Marie Caroline Zieschang

Alexander Georg Hufnagel

Claus Schäfer

Rosario Mazarro Berdonces

Jerome Francois

Martin Gaertner

Ter Maat Johan

Christian Volkmann

Gareth Smith

Chee Jian Chan

Claus Schaefer

Daniel LÖFFLER

Francis Stackpool

Stephen Heavens

A process for the recovery of lithium from waste lithium ion batteries or parts thereof is disclosed. The process comprising the steps of A) providing a crude lithium hydroxide as a solid, which contains fluoride; and (B) dissolving the crude lithium hydroxide solid with a lower alcohol such as methanol or ethanol provides good separation of lithium in high purity.

Process for the purification of lithium salts

The present invention relates to a process for the recovery of transition metals from battery materials comprising (0.1) providing a battery material which comprises oxidic nickel and/or cobalt compounds, (1.1) heating the battery material above 350° C. to yield a reduced material which contains nickel and/or cobalt in elemental form, (2.1) carbonylating the reduced material with carbon monoxide optionally in the presence of a reactive gas to yield a solid carbonylation residue and a volatile carbonyl which comprises nickel and/or cobalt carbonyl containing compounds, and (3.1) separating the volatile carbonyl from the solid carbonylation residue by evaporation.

Battery recycling by reduction and carbonylation

A process for the recovery of lithium from waste lithium ion batteries or parts thereof is disclosed. The process comprising the steps of (a) providing a particulate material containing a transition metal compound and/or transition metal, wherein the transition metal is selected from the group consisting of Mn, Ni and Co, and wherein further at least a fraction of said Ni and/or Co, if present, are in an oxidation state lower than +2, and at least a fraction of said Mn, if present, is manganese(II)oxide; which particulate material further contains a lithium salt and a fluoride salt, and which particulate material optionally contains calcium provided that the element ratio calcium to fluorine is 1.7 or less or is zero; (b) treating the material provided in step (a) with a polar solvent and an alkaline earth hydroxide; and (c) separating the solids from the liquid, optionally followed by washing the solid residue with a polar solvent such as water provides good separation of lithium in high purity, and recovery of valuable transition metals.

Process for the recovery of lithium from waste lithium ion batteries

Disclosed herein is a process for the recovery of one or more transition metals and lithium from waste lithium ion batteries or parts thereof. The process includes the steps of (a) providing a particulate material containing a transition metal compound and/or transition metal; (b) treating the material provided in step (a) with a polar solvent and optionally an alkaline earth hydroxide, (c) separating the solids from the liquid, optionally followed by a solid-solid separation step; and (d) treating the solids containing the transition metal in a way to dissolve at least part of the Ni and/or Co. The process provides good separation of lithium in high purity and of transition metal useful for the production of battery cathode active materials.

Process for the recovery of lithium and other metals from waste lithium ion batteries

The present invention is in the field of processes for preparing inorganic metal- or semimetal-containing films. The process for preparing inorganic metal- or semimetal-containing films comprising (a) depositing a metal- or semimetal-containing compound from the gaseous state onto a solid substrate and (b) bringing the solid substrate with the deposited metal- or semimetal-containing compound in contact with a compound of general formula (I) or (II) wherein Z is NR, PR, OR, SR, CR, SiR, X is H, R' or NR′, wherein at least one X is H, n is 1 or 2, and R and R′ is an alkyl group, an alkenyl group, an aryl group, or a silyl group.

Process for the generation of metal- or semimetal-containing films

Process for the recovery of transition metal from spent lithium ion batteries containing nickel, wherein said process comprises the steps of (a) heating a lithium containing transition metal oxide material to a temperature in the range of from 400 to 1200° C., (b) treating said heat-treated material with water, (c) treating the solid residue from step (b) with an acid selected from sulfuric acid, hydrochloric acid, nitric acid, methanesulfonic acid, oxalic acid and citric acid, (d) adjusting the pH value to 2.5 to 8, (e) removing compounds of Al, Cu, Fe, Zn or combinations of at least two of the foregoing from the solution or slurry obtained in step (d).

Process for the recovery of lithium and transition metal using heat

Process for the recovery of transition metal from spent lithium ion batteries containing nickel, wherein said process comprises the steps of (a) heating a lithium containing transition metal oxide material to a temperature in the range of from 200 to 900° C. in the presence of H, (b) treatment of the product obtained in step (a) with an aqueous medium, (c) solid-solid separation for the removal of Ni from the solid residue of step (b), (d) recovery of Li as hydroxide or salt from the solution obtained in step (b), (e) extraction of Ni and, if applicable, Co from the solid Ni-concentrate obtained in step (c).

Process for the recycling of spent lithium ion cells

The invention relates to a method for operating a linearly concentrating solar power plant (), in which a heat transfer medium flows through a pipeline loop () having at least one receiver, the heat transfer medium having a flow velocity which is such that the flow in the pipeline loop () is turbulent, at least part of the heat transfer medium, upon exit from the pipeline loop (), being extracted and recirculated into the pipeline loop (). Furthermore, the invention relates to a linearly concentrating solar power plant with at least one pipeline loop () having at least one receiver in which a heat transfer medium flowing through the pipeline loop () is heated by irradiating solar energy, a mixing device () being comprised, in which at least part of the heat transfer medium flowing through the pipeline loop () is mixed with heat transfer medium to be delivered.

Method for operating a linear concentrator solar power plant, and linear concentrator solar power plant

The present invention is in the field of processes for the generation of thin inorganic films on substrates, in particular atomic layer deposition processes. The present invention relates to a process comprising bringing a compound of general formula (I) into the gaseous or aerosol state and depositing the compound of general formula (I) from the gaseous or aerosol state onto a solid substrate, wherein M is Mn, Ni or Co, X is a ligand which coordinates M, n is 0, 1, or 2, R, Rare an alkyl group, an alkenyl group, an aryl group or a silyl group, m is 1, 2, or 3, R, R, and Rare an alkyl group, an alkenyl group, an aryl group, an alkoxy group, or an aryloxy group, and p is 1, 2 or 3. 

Process for the generation of thin inorganic films

A pipeline system in a linearly concentrating solar power station comprises at least one pipeline which is connected at one end to a converger and at a second end to a distributor. The converger and the distributor are arranged at a different geodetic height. When the converger lies on top pressurized gas can be fed into the converger and the distributor is connected to a drainage container. When the distributor lies on top pressurized gas can be fed into the distributor and the converger is connected to a drainage container. The drainage container is lower than the converter and the distributor.

Pipeline system and drainage container for receiving liquid flowing through a pipeline system

The invention relates to a device for storing heat, comprising a heat storage medium which absorbs heat in order to store heat and releases heat in order to use the stored heat, and a container for holding the heat storage medium, the container being closed by a gastight cover, and the device comprising volume compensation means in order to compensate for a volume increase of the heat storage medium () due to a temperature rise and a volume decrease due to a temperature reduction. The invention furthermore relates to a method for storing heat, in which heat is transferred to a heat storage medium in order to store heat or heat is discharged from the heat storage medium to the heat carrier in order to use the heat, the heat storage medium being held in a container which is closed by a gastight cover, wherein a volume expansion of the heat storage medium () is compensated for by a volume increase of the container () or by heat storage medium () flowing out of the container () into a buffer container (), and a volume decrease of the heat storage medium () is compensated for by a volume decrease of the container () or by heat storage medium () flowing out of the buffer container () into the container ().

Device and method for storing heat

A process of bringing a compound of general formula (I) into the gaseous or aerosol state and depositing the compound of general formula (I) from the gaseous or aerosol state onto a solid substrate, wherein R, R, R, R, R, R, R, Rare independent of each other hydrogen, an alkyl group, an aryl group, or a trialkylsilyl group, R, R, R, Rare independent of each other an alkyl group, an aryl group, or a trialkylsilyl group, n is 1 or 2, M is a metal or semimetal, X is a ligand which coordinates M, and m is an integer from 0 to 3.

Method of maintaining or widening the long-term operating temperature range of a heat transfer medium and/or heat storage medium comprising a nitrate salt composition selected from the group consisting of alkali metal nitrate and alkaline earth metal nitrate and optionally alkali metal nitrite and alkaline earth metal nitrite, wherein the nitrate salt composition is brought into contact with an additive comprising the components nitric acid and/or nitrous acid and oxygen-comprising gas having an oxygen partial pressure which is equal to or greater than that in air and/or oxygen-generating compounds and optionally nitrogen oxides and/or compounds which generate further nitrogen oxide.

Method of improving nitrate salt compositions by means of nitric acid for use as heat transfer medium or heat storage medium

The invention relates to a pipeline system for a linearly concentrating solar power plant () with at least one receiver line (), in which a heat transfer medium is heated by radiating solar energy, or with a central receiver and at least one emptying tank () and/or one store for the heat transfer medium, the heat transfer medium having a vapor pressure of less than 0.5 bar at the maximum operating temperature. Furthermore, a gas displacement system () is comprised, which connects gas spaces in the at least one emptying tank () and/or in the store for the heat transfer medium to one another and which has a central gas store () and/or a central gas connection () and a central exhaust gas outlet (), through which gas can be discharged into the surroundings.

Pipeline system for a solar power plant

Use of a composition (A) having a pH of at least 8 at 25&#xb0; C. containing at least 50 wt.-% of water or a water containing solvent mixture, at least 0.1 mol/m3 of at least one water soluble silicate, optionally at least one molybdate, optionally at least one phosphonate, optionally at least one azole, optionally at least one additional freezing point depressing salt, optionally at least one phosphate, and optionally at least one nitrate, as heat carrier medium for magnetocaloric materials of formula (I) (AB)CDE(I) where: A is Mn or Co, B is Fe, Cr or Ni, C is Ge, As or Si, D is different from C and is selected from P, B, Se, Ge, Ga, Si, Sn, N, As and Sb, E may be same or different from C and D and is selected from P, B, Se, Ge, Ga, Si, Sn, N, As and Sb.

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Growing community of inventors

Zwingenberg, Germany

Kerstin Schierle-Arndt