Nokia Technologies Oy

Nokia Corporation

Lyten, Inc.

Provenance Asset Group LLC

Di Wei

Piers Andrew

Stefano Marco Borini

Teuvo Tapani Ryhanen

Jani Kivioja

Zoran Radivojevic

Richard White

Michael Robert Astley

Markku Antti Kyosti Rouvala

Teuvo Tapani Ryhänen

Chris Bower

Salvatore Zarra

Darryl Cotton

Mark Allen

Samiul Md Haque

Elisabetta Spigone

Gehan Amaratunga

Haolan Wang

Husnu Emrah Unalan

Alan Colli

Markku Rouvala

Adam Robinson

Yinglin Liu

Pritesh Hiralal

Andrew Peter Matthews

Nadine Harris

Peter Andrew Matthews

Teuvo RYHÄNEN

Teuvo Tapani RYHÄNEN

Michael Astley

Markku Antti Kyösti Rouvala

An apparatus and method wherein the apparatus includes a channel; at least one pair of electrodes provided within sides of the channel; an electrolyte configured to move through the channel such that when the electrolyte is positioned between the at least one pair of electrodes the electrolyte provides a current path between the at least one pair of electrodes; and wherein the at least one pair of electrodes are configured such that movement of the electrolyte through the channel enables a time varying voltage to be provided.

Apparatus and method for providing a time varying voltage

An apparatus and method of providing an apparatus, the apparatus comprising: an electrode comprising metal; an anode comprising a composite of halide salt and conductive carbon based material wherein the anode is deposited on the electrode; a cathode comprising metal; and a solid electrolyte provided between the cathode and the anode.

Apparatus and method of providing an apparatus for use as a power source

An apparatus comprising first and second electrodes () separated by an electrolyte (), the first and second electrodes () configured to exhibit a potential difference therebetween on interaction of the first electrode () with an analyte, wherein the first electrode () is configured such that its electrical conductance and electrochemical potential are dependent upon the amount of analyte present, the electrical conductance and electrochemical potential of the first electrode () affecting the potential difference between the first and second electrodes (), and wherein the apparatus comprises respective first and second terminals () configured for electrical connection to a readout circuit to enable determination of the presence and/or amount of analyte based on the potential difference.

Apparatus and associated methods for analyte detection

An apparatus including an open interconnected wall structure having one or more pores, the open interconnected wall structure including a first electrode material, the pores including an electrolyte and a second electrode material, wherein the electrolyte and second electrode material are supported on the first electrode material within the pores such that the first electrode material is separated from the second electrode material by the electrolyte to enable the generation and/or storage of electrical energy using the apparatus.

Apparatus and associated methods

An apparatus comprising: one or more cells, each cell comprising: a proton conductor region configured to conduct proton charge carriers; a electron conductor region configured to conduct electrons; a first electrode associated with one of the proton conductor region and the electron conductor region; and a second electrode associated with the other of the proton conductor region and the electron conductor region; a removable barrier layer that is impermeable to water vapor extending over and protecting the one or more cells from water vapor; and a buffer layer that is permeable to water vapor between the one or more cells and the barrier layer.

Apparatus comprising proton battery cells and a removable barrier layer

An apparatus comprising: a humidity-dependent electrical energy source configured to provide electrical energy when an environment occupied by the humidity-dependent electrical energy source becomes humid; and an electrically activated visual indicator coupled to receive provided electrical energy from the humidity-dependent electrical energy source and configured to provide a visual indication that the environment occupied by the humidity-dependent electrical energy source has become humid.

Apparatus for detecting humidity

An apparatus including a first charge collector and an ionic layer, the ionic layer configured to absorb water from the surrounding environment to deliver said water to the apparatus, the apparatus including graphene oxide provided on the first charge collector, the graphene oxide configured to generate protons in the presence of water; a second conductive material spaced apart from the first charge collector, the second material having a lower work function than the first charge collector, the graphene oxide extending from the first charge collector to be in contact with the second material at an interface; wherein the ionic layer is in contact with the graphene oxide and the second material; and wherein the ionic layer includes a room temperature ionic fluid and a solidifying material which provides for the ionic layer to be a solid at room temperature.

Apparatus and associated methods for electrical storage

An apparatus including a first electrode including a substantially homogeneous mixture of graphene oxide and a proton conductor; a second electrode including reduced graphene oxide; and spaced-apart charge collectors for the respective first and second electrodes, wherein the first and second electrodes extend from their respective charge collectors towards one another to form a junction at an interface there between, and wherein the substantially homogeneous mixture of the first electrode is configured to be sufficiently hydrophobic to prevent intermixing of the homogeneous mixture with the reduced graphene oxide of the second electrode in proximity to one or both of the respective charge collectors to prevent short circuiting of the spaced-apart charge collectors.

Method of forming a graphene oxide-reduced graphene oxide junction

A method including a deposition step comprising depositing a layer of graphene oxide; a deposition step including selectively exposing a region of the deposited graphene oxide layer to electromagnetic radiation to form a region of reduced graphene oxide adjacent to a neighboring region of unexposed graphene oxide, the graphene oxide and adjacent reduced graphene oxide regions forming a junction therebetween to produce a graphene oxide-reduced graphene oxide junction layer; and repeating the deposition and exposure steps for one or more further respective layers of graphene oxide, over an underlying graphene oxide-reduced graphene oxide junction layer, to produce an apparatus in which the respective junctions of the graphene oxide-reduced graphene oxide layers, when considered together, extend in the third dimension.

Method forming a graphene oxide-reduced graphene oxide junction

An apparatus comprising: one or more cells, each cell comprising: a proton conductor () configured to conduct proton charge carriers; an electron conductor region () configured to conduct electrons; a first electrode () associated with one of the proton conductor region () and the electron conductor region (); and a second electrode () associated with the other of the proton conductor region () and the electron conduction region (); an antenna (), wherein at least a portion of the antenna () is configured to provide at least some of the first electrode(s) () of the one or more cells; and circuitry () configured to be powered via second electrode(s) () of the one or more cells in electrical parallel, wherein the circuitry () is configured to operably connect to the antenna (). An apparatus comprising: an antenna () comprising an antenna element () and a ground plane (); and an energy storage device (); wherein the ground plane () provides an electrode of the energy storage device ().

Apparatus and method comprising an antenna for radio communication and energy storage device

An apparatus comprising a plurality of first elongate electrodes () separated from a plurality of second transversely oriented elongate electrodes () by an electrolyte (), the plurality of transversely oriented first () and second () electrodes forming an array of respective electrochemical sensor nodes at the spaced crossings thereof, wherein the first electrodes () are configured such that the interaction of an analyte with the first electrode () at a sensor node affects an electrical property of the sensor node, and wherein the apparatus comprises respective terminals connected to each electrode () for electrical connection to a measurement circuit to enable determination of the presence and/or amount of analyte at a particular sensor node based on a measurement of the electrical property of that sensor node.

An apparatus comprising an insulating substrate (); at least two charge collectors () spaced apart on the substrate () surface; a proton-generating electrode layer () configured to generate proton charge carriers; a proton-accepting electrode layer () configured to accept the generated proton charge carriers, wherein each of the proton-generating electrode layer () and proton-accepting electrode layer () are configured to be electrically connected to a different one of the respective charge collectors (), and to overlap in a junction region such that the charge carriers of the layers can be transferred between the proton-generating () and proton-accepting () electrode layers to thereby generate a voltage.

Electronic apparatus and associated methods

An electrical energy storage device structure comprises a first conductive sheet, a second conductive sheet and an electrolyte sheet placed between the first conductive sheet and the second conductive sheet. In the device, at least one of the first conductive sheet and the second conductive sheet comprises a layer of carbon nanoparticles. The carbon nanoparticle layer is arranged to be adjacent to the electrolyte sheet. The carbon nanoparticles may include both high aspect ratio carbon nanoparticles and low aspect ratio carbon nanoparticles. The device is flexible and at least partially transparent.

Nano-structured flexible electrodes, and energy storage devices using the same

An electrode comprises graphene, titanium dioxide and a binder, the binder configured to facilitate the binding together of the graphene and titanium dioxide to form the electrode.

An apparatus comprises an anode formed of graphene oxide from an acidic pH; a cathode from a pH greater than the acidic pH of the anode; and charge collectors deposited on the anode and the cathode. The anode comprises graphene oxide, the graphene oxide comprising an ink and having a pH of about 1 to about 4.

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Cambridge, United Kingdom

Di Wei