DE349799C - Separator for lead collectors, which are made from a mixture of small pieces of wood, wood flour, saws, etc. Like. And an acid-resistant, hard or elastic binder - Google Patents

Separator for lead collectors, which are made from a mixture of small pieces of wood, wood flour, saws, etc. Like. And an acid-resistant, hard or elastic binder

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Publication number
DE349799C
DE349799C DE1920349799D DE349799DD DE349799C DE 349799 C DE349799 C DE 349799C DE 1920349799 D DE1920349799 D DE 1920349799D DE 349799D D DE349799D D DE 349799DD DE 349799 C DE349799 C DE 349799C
Authority
DE
Germany
Prior art keywords
wood
separator
acid
resistant
hard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE1920349799D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PAUL MELCHIKER DR
Original Assignee
PAUL MELCHIKER DR
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PAUL MELCHIKER DR filed Critical PAUL MELCHIKER DR
Application granted granted Critical
Publication of DE349799C publication Critical patent/DE349799C/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/429—Natural polymers
    • H01M50/4295—Natural cotton, cellulose or wood
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Description

Scheider für Bleisammler, die aus einem Gemenge von kleinstückige Holz, Holzmehl, Sägespänen u. dgl. und einem säurebeständigen, harten oder elastischen Bindemittel bestehen. Die Scheider nach der Erfindung bestehen aus kleinstückigem Holz (Holzmehl, Sägespänen o. dgl.), welches durch ein poröses, säurebeständiges, hartes oder elastisches Bindemittel verkittet und in passende Form gebracht ist. Das Holz wird zweckmäßig nach der Patentschrift.z88567 mit alkalischen Flüssigkeiten so behandelt, daß die den positiven Platten schädlichen Stoffe daraus entfernt, dagegen die für die Kapazitätserhaltung nützlichen Stoffe darin belassen werden. Diese Behandlung kann entweder vor der Verkittung der Holzteilchen oder nach Fertigstellung des Scheiders vorgenommen werden. Das säurebeständige Bindemittel muß so beschaffen sein, daß es in flüssigem oder plastischem Zustand mit den übrigen' Bestandteilen des Scheiders gemischt und hierauf gehärtet oder elastisch gemacht werden kann. Solche Bindemittel sind z. B. Hart- oder Weichgummi, Regenerate, Bakelit oder andere Kondensationsprodukte, Zelluloid oder ähnliche Stoffe, deren Härtung usw. in bekannter Weise erfolgt. Gegenüber bekannten Scheidern, die ebenfalls aus kleinstückigem Holz und einem Bindemittel bestehen, unterscheidet sich die Erfindung dadurch, daß das Bindemittel porös ist. Die Porösität wird dem Bindemittel dadurch verliehen, daß man ihm während des flüssigen oder plastischen Zustandes Stoffe zufügt, welche nach der Härtung usw. entfernt werden. Selbstverständlich müssen diese Stoffe so gewählt werden, daß sie den Sammlerplatten nicht schaden, wenn sie in geringer Menge im Scheider vorerst zurückbleiben und erst im Laufe der Benutzung sich im Elektrolyt lösen: Solche Stoffe sind z. B. Natriumsulfat, Magnesiumoxyd, Zinkoxyd. Die fertigen Scheider bilden ebene oder gewellte Platten von der Größe der Elcktrodenplatten (oder etwas größer) und der Dicke von einem bis mehreren Millimetern. Besonders die ebenen Scheider werden zweckmäßig mit Rippen entweder aus derselben Masse wie die Scheider oder aus einem beliebigen säurebeständigen Stoff bestehen können. Als Beispiel für die Herstellung eines Scheiders sei angeführt: 3o Teile Holzmehl, 2o Teile Bakelit und 5o Teile Magnesia werden innig gemischt, die Mischung wird zu Platten von geeigneter Dicke ausgewalzt und durch Erhitzen unter Druck gehärtet. Hierauf werden die Scheider in verdünnte Schwefelsäure gelegt, wobei sie durch Herauslösung der Magnesia porös .werden.Separator for lead collectors who come from a mixture of small pieces Wood, wood flour, sawdust and the like and an acid-resistant, hard or elastic one Binders exist. The separators according to the invention consist of small pieces Wood (wood flour, sawdust or the like), which has a porous, acid-resistant, hard or elastic binding agent is cemented and brought into a suitable shape. The wood is expediently according to Patentschrift.z88567 with alkaline liquids treated in such a way that the substances harmful to the positive plates are removed therefrom, on the other hand, the substances useful for maintaining capacity are left in it. This treatment can either be done before the putty is applied to the wood particles or after completion of the separator. The acid-resistant binder must be of this type be that it is in a liquid or plastic state with the remaining 'constituents the separator can be mixed and then hardened or made elastic. Such binders are e.g. B. hard or soft rubber, regenerated rubber, Bakelite or others Condensation products, celluloid or similar substances, their hardening, etc. in known Way done. Compared to known separators, which are also made of small pieces of wood and a binder, the invention differs in that the Binder is porous. The porosity is given to the binder in that substances are added to it during the liquid or plastic state, which after the hardening, etc. are removed. Of course, these substances must be chosen that they do not damage the collector plates if they are in small amounts in the Scheider remain behind for the time being and only become in the electrolyte in the course of use solve: Such substances are z. B. sodium sulfate, magnesium oxide, zinc oxide. The finished Separators form flat or corrugated plates the size of the electrode plates (or slightly larger) and the thickness of one to several millimeters. Particularly the planar separators are expediently made with ribs either of the same mass as the separators or made of any acid-resistant material. as Example for the production of a separator is given: 3o parts wood flour, 2o Parts of Bakelite and 50 parts of magnesia are intimately mixed, the mixture becomes too Sheets of suitable thickness are rolled out and hardened by heating under pressure. The separators are then placed in dilute sulfuric acid, whereby they are dissolved out the magnesia. become porous.

Die Scheider nach der Erfindung haben lange Lebensdauer, lassen sich in trockenem Zustand aufbewahren und in die Elemente einbauen, bieten dem elektrischen Strom nur geringen Widerstand, trotzdem sie in wirksamer Weise das Durchwandern des feinverteilten Bleisuperoxyds und damit die Bildung von Kurzschlüssen verhindern, und wirken kapazitätserhaltend auf die=-Sammlerplatten.The separators according to the invention have a long service life, can Store in a dry state and install in the elements, provide the electrical Electricity has little resistance, despite it being able to wander through it in an effective manner of the finely divided Lead peroxide and thus the formation of short circuits prevent, and have a capacity-preserving effect on the = collector plates.

Claims (2)

PATENT-ANsPRüEHE: r. Scheider für Bleisammler, die aus einem Gemenge von kleinstückigem Holz, Holzmehl, Sägespänen u. dgl. und einem säurebeständigen, harten oder elastischen Bindemittel bestehen dadurch gekennzeichnet, daB das Bindemittel porös ist. PATENT CLAIMS: r. Separator for lead collectors who come from a mixture of small pieces of wood, wood flour, sawdust, etc. and an acid-resistant, hard or elastic binders are characterized by the fact that the binder is porous. 2. Scheider nach Anspruch r, dadurch gekennzeichnet, daß das kleinstückige Holz mit einem in flüssigem oder plastischem Zustand befindlichen unlöslichen Bindemittel und einem löslichen Stoff vermischt wird, worauf die Masse geformt und mittels eines dem angewandten Bindemittel entsprechenden, an sich bekannten Verfahrens gehärtet oder - elastisch gemacht wird und die Entfernung des löslichen Stoffes durch Auslaugen erfolgt.2. Separator according to claim r, characterized in that the small-piece Wood with an insoluble binder in a liquid or plastic state and a soluble substance is mixed, whereupon the mass is shaped and by means of a the known method corresponding to the binder used or - is made elastic and the removal of the soluble matter by leaching he follows.
DE1920349799D 1920-02-18 1920-02-18 Separator for lead collectors, which are made from a mixture of small pieces of wood, wood flour, saws, etc. Like. And an acid-resistant, hard or elastic binder Expired DE349799C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE349799T 1920-02-18

Publications (1)

Publication Number Publication Date
DE349799C true DE349799C (en) 1922-03-09

Family

ID=6258944

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1920349799D Expired DE349799C (en) 1920-02-18 1920-02-18 Separator for lead collectors, which are made from a mixture of small pieces of wood, wood flour, saws, etc. Like. And an acid-resistant, hard or elastic binder

Country Status (1)

Country Link
DE (1) DE349799C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747692C (en) * 1938-09-28 1944-10-09 Collector separators made of superimposed layers of glass wool and small, porous fillers, especially for starter batteries in motor vehicles
DE1030900B (en) * 1953-04-29 1958-05-29 Koehler Mfg Company Process for the production of a separator for accumulators using hard silicon-containing gel, such as. B. Diatomaceous earth
DE1151290B (en) * 1959-08-21 1963-07-11 Georg Rothenpieler Furnierwerk Process for the production of wood separators

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747692C (en) * 1938-09-28 1944-10-09 Collector separators made of superimposed layers of glass wool and small, porous fillers, especially for starter batteries in motor vehicles
DE1030900B (en) * 1953-04-29 1958-05-29 Koehler Mfg Company Process for the production of a separator for accumulators using hard silicon-containing gel, such as. B. Diatomaceous earth
DE1151290B (en) * 1959-08-21 1963-07-11 Georg Rothenpieler Furnierwerk Process for the production of wood separators

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