| Patent Number |
Title Of Patent |
Date Issued |
| 7553573 |
Solid state electrochemical composite |
June 30, 2009 |
| Provided is a composite electrochemical device fabricated from highly electronically conductive materials such as metals, metal alloys, or electronically conductive ceramics. The electronic conductivity of the electrode substrate is maximized. The invention allows for an electrode wi |
| 7491458 |
Active metal fuel cells |
February 17, 2009 |
| Active metal fuel cells are provided. An active metal fuel cell has a renewable active metal (e.g., lithium) anode and a cathode structure that includes an electronically conductive component (e.g., a porous metal or alloy), an ionically conductive component (e.g., an electrolyte), and a |
| 7468120 |
Fluorine separation and generation device |
December 23, 2008 |
| A process and apparatus for the electrolytic separation of fluorine from a mixture of gases is disclosed. Also described is the process and apparatus for the generation of fluorine from fluorine/fluoride containing solids, liquids or gases. |
| 7351488 |
Structures and fabrication techniques for solid state electrochemical devices |
April 1, 2008 |
| Porous substrates and associated structures for solid-state electrochemical devices, such as solid-oxide fuel cells (SOFCs), are low-cost, mechanically strong and highly electronically conductive. Some preferred structures have a thin layer of an electrocatalytically active material |
| 7282295 |
Protected active metal electrode and battery cell structures with non-aqueous interlayer archite |
October 16, 2007 |
| Active metal and active metal intercalation electrode structures and battery cells having ionically conductive protective architecture including an active metal (e.g., lithium) conductive impervious layer separated from the electrode (anode) by a porous separator impregnated with a n |
| 7232626 |
Planar electrochemical device assembly |
June 19, 2007 |
| A pre-fabricated electrochemical device having a dense electrolyte disposed between an anode and a cathode preferably deposited as thin films is bonded to a porous electrically conductive support. A second porous electrically conductive support may be bonded to a counter electrode of |
| 7163713 |
Method for making dense crack free thin films |
January 16, 2007 |
| The process described herein provides a simple and cost effective method for making crack free, high density thin ceramic film. The steps involve depositing a layer of a ceramic material on a porous or dense substrate. The deposited layer is compacted and then the resultant laminate is |
| 7118777 |
Structures and fabrication techniques for solid state electrochemical devices |
October 10, 2006 |
| Low-cost, mechanically strong, highly electronically conductive porous substrates and associated structures for solid-state electrochemical devices, techniques for forming these structures, and devices incorporating the structures provide solid state electrochemical device substrates |
| 7090752 |
Fluorine separation and generation device |
August 15, 2006 |
| A process and apparatus for the electrolytic separation of fluorine from a mixture of gases is disclosed. Also described is the process and apparatus for the generation of fluorine from fluorine/fluoride containing solids, liquids or gases. |
| 6979511 |
Structures and fabrication techniques for solid state electrochemical devices |
December 27, 2005 |
| Provided are low-cost, mechanically strong, highly electronically conductive porous substrates and associated structures for solid-state electrochemical devices, techniques for forming these structures, and devices incorporating the structures. The invention provides solid state elec |
| 6921557 |
Process for making dense thin films |
July 26, 2005 |
| Provided are low-cost, mechanically strong, highly electronically conductive porous substrates and associated structures for solid-state electrochemical devices, techniques for forming these structures, and devices incorporating the structures. The invention provides solid state elec |
| 6887361 |
Method for making thin-film ceramic membrane on non-shrinking continuous or porous substrates by |
May 3, 2005 |
| A disclosed method provides techniques for forming low-cost, mechanically strong, highly electronically conductive porous structures for solid-state electrochemical devices. In particular, a method of forming a ceramic film on a substrate using electrophoretic deposition (EPD) is describ |
| 6846511 |
Method of making a layered composite electrode/electrolyte |
January 25, 2005 |
| An electrode/electrolyte structure is prepared by a plurality of methods. An unsintered (possibly bisque fired) moderately catalytic electronically-conductive or homogeneous mixed ionic electronic conductive electrode material is deposited on a layer composed of a sintered or unsinte |
| 6767662 |
Electrochemical device and process of making |
July 27, 2004 |
| A process of making an electrochemical device comprising providing a trilayer structure comprising an electrode/electrolyte/electrode and simultaneously sintering the trilayer structure. |
| 6740441 |
Metal current collect protected by oxide film |
May 25, 2004 |
| Provided are low-cost, mechanically strong, highly electronically conductive current collects and associated structures for solid-state electrochemical devices, techniques for forming these structures, and devices incorporating the structures. The invention provides solid state elect |
| 6737197 |
Encapsulated lithium alloy electrodes having barrier layers |
May 18, 2004 |
| A method employing a bonding layer is used to form active metal electrodes having barrier layers. Active metals such as lithium are highly reactive in ambient conditions. The method involves fabricating a lithium electrode or other active metal electrode without depositing the barrier la |
| 6723140 |
Plating metal negative electrodes under protective coatings |
April 20, 2004 |
| A method for forming lithium electrodes having protective layers involves plating lithium between a lithium ion conductive protective layer and a current collector of an "electrode precursor." The electrode precursor is formed by depositing the protective layer on a very smooth surface o |
| 6682842 |
Composite electrode/electrolyte structure |
January 27, 2004 |
| Provided is an electrode fabricated from highly electronically conductive materials such as metals, metal alloys, or electronically conductive ceramics. The electronic conductivity of the electrode substrate is maximized. Onto this electrode in the green state, a green ionic (e.g., e |
| 6605316 |
Structures and fabrication techniques for solid state electrochemical devices |
August 12, 2003 |
| Provided are low-cost, mechanically strong, highly electronically conductive porous substrates and associated structures for solid-state electrochemical devices, techniques for forming these structures, and devices incorporating the structures. The invention provides solid state elec |
| 6458170 |
Method for making thin, flat, dense membranes on porous substrates |
October 1, 2002 |
| A method of fabricating a thin, flat dense membrane on a porous substrate in which the green substrate is selected to have a predetermined shrinkage on firing which matches or is greater than the shrinkage of a thin uniformly applied film on firing. |
| 6413285 |
Layered arrangements of lithium electrodes |
July 2, 2002 |
| A method employing a bonding layer is used to form active metal electrodes having barrier layers. Active metals such as lithium are highly reactive in ambient conditions. The method involves fabricating a lithium electrode or other active metal electrode without depositing the barrier la |
| 6413284 |
Encapsulated lithium alloy electrodes having barrier layers |
July 2, 2002 |
| A method employing a bonding layer is used to form active metal electrodes having barrier layers. Active metals such as lithium are highly reactive in ambient conditions. The method involves fabricating a lithium electrode or other active metal electrode without depositing the barrier la |
| 6402795 |
Plating metal negative electrodes under protective coatings |
June 11, 2002 |
| A method for forming lithium electrodes having protective layers involves plating lithium between a lithium ion conductive protective layer and a current collector of an "electrode precursor." The electrode precursor is formed by depositing the protective layer on a very smooth surface o |
| 6358643 |
Liquid electrolyte lithium-sulfur batteries |
March 19, 2002 |
| A high performance lithium-sulfur battery cell includes the following features: (a) a negative electrode including a metal or an ion of the metal; (b) a positive electrode comprising an electronically conductive material; and (c) a liquid catholyte including a solvent and dissolve el |
| 6248481 |
Overcharge protection systems for rechargeable batteries |
June 19, 2001 |
| Disclosed is an electrochemical device having a shuttle-type redox mechanism for overcharge protection in which the redox reaction is "tuned" with a tuning agent to adjust the potential at which the redox reaction occurs. Such device may be characterized as including the following el |
| 6200704 |
High capacity/high discharge rate rechargeable positive electrode |
March 13, 2001 |
| Disclosed is a positive electrode that has a low equivalent weight and high cell voltage and consequently a high specific energy, and a high discharge rate pulse capability. Also disclosed are methods for fabricating active-sulfur-based composite electrodes, and battery cells incorporati |
| 6198701 |
Electrochemical timer |
March 6, 2001 |
| An electrochemical timer is described that is compact, lightweight, inexpensive to manufacture, and simple to use in which the consumption of reactive materials in an electrochemical reaction provides a visual indication of the passage of time. In one embodiment, the electrochemical |
| 6030720 |
Liquid electrolyte lithium-sulfur batteries |
February 29, 2000 |
| Disclosed are electrolyte solvents for ambient-temperature lithium-sulfur batteries. The disclosed solvents include at least one ethoxy repeating unit compound of the general formula R.sub.1 (CH.sub.2 CH.sub.2 O).sub.n R.sub.2, where n ranges between 2 and 10 and R.sub.1 and R.sub.2 are |
| 5882812 |
Overcharge protection systems for rechargeable batteries |
March 16, 1999 |
| Disclosed is an electrochemical device having a shuttle-type redox mechanism for overcharge protection in which the redox reaction is "tuned" with a tuning agent to adjust the potential at which the redox reaction occurs. Such device may be characterized as including the following el |
| 5558961 |
Secondary cell with orthorhombic alkali metal/manganese oxide phase active cathode material |
September 24, 1996 |
| An alkali metal manganese oxide secondary cell is disclosed which can provide a high rate of discharge, good cycling capabilities, good stability of the cathode material, high specific energy (energy per unit of weight) and high energy density (energy per unit volume). The active mat |
| 5162175 |
Cell for making secondary batteries |
November 10, 1992 |
| The present invention provides all solid-state lithium and sodium batteries operating in the approximate temperature range of ambient to 145.degree. C. (limited by melting points of electrodes/electrolyte), with demonstrated energy and power densities far in excess of state-of-the-art |
