Ricoh Company, Ltd.

Tokyo Gas Company Limited

Takahiro Ide

Naomichi Kanei

Yuuji Tanaka

Tamotsu Horiuchi

Tsuyoshi Matsuyama

Tokushige Kino

Shigeyo Suzuki

Nozomu Tamoto

Kenichi Nakamura

Kazuo Nakamura

Satoshi Yamashita

Takefumi Ishikura

Kenji Horiuchi

Aki Kawamura

Masana Shiba

Yoshiaki Masuda

Tatsuya Nakajima

Tatsuki Dohkoh

Toru Hatae

Kei Kikuchi

Marie Shirai

Tetsuya Honda

Yuichiro Okajima

Shunnosuke Akabane

A fuel cell system including a fuel cell, an off-gas reprocessing unit that is provided downstream of the fuel cell and that at least partially removes at least one of steam or carbon dioxide from an off-gas discharged from the fuel cell, a flow passage that is provided downstream of the off-gas reprocessing unit and that allows a reprocessed off-gas discharged from the off-gas reprocessing unit to flow therethrough, and a controlling unit that modulates the reaction constant Kof a reaction A with respect to the reprocessed off-gas discharged from the off-gas reprocessing unit, to 1.22 or more.

Fuel cell system and method of reprocessing off-gas

A photoelectric conversion element includes a first electrode section; a second electrode section; an electron-transporting section between the first electrode section and the second electrode section; a light-absorbing section; and a hole-transporting section. The hole-transporting section has a peak that reaches maximum at a Raman shift of 1575 cm±10 cmand a peak that reaches maximum at a Raman shift of 1606 cm±10 cmin a Raman spectrum obtained by emitting laser light having a wavelength of 532 nm; and has a peak intensity ratio A/B of 0.80 or more, the peak intensity ratio A/B being obtained from a maximum peak intensity A of the peak that reaches maximum at 1575 cm±10 cmand a maximum peak intensity B of the peak that reaches maximum at 1606 cm±10 cm.

Photoelectric conversion element, photoelectric conversion element module, electronic device, and power supply module

A photoelectric conversion element including: first support; first electrode; electron-transporting layer; photoelectric conversion layer; hole-transporting layer; and second electrode, the hole-transporting layer including polymer including recurring unit of General Formula (1) below and compound of General Formula (2):

Photoelectric conversion element, photoelectric conversion module, electronic device, and power supply module

A solar cell module includes a first substrate and a plurality of photoelectric conversion elements disposed on the first substrate. Each of the plurality of photoelectric conversion elements includes a first electrode, an electron transport layer, a perovskite layer, a hole transport layer, and a second electrode. In at least two of the photoelectric conversion elements adjacent to each other, the hole transport layers are extended continuous layers; and the first electrodes, the electron transport layers, and the perovskite layers in the at least two of the photoelectric conversion elements adjacent to each other are separated by the hole transport layer. The hole transport layer includes, as hole transport material, a polymer having a weight average molecular weight of 2,000 or more or a compound having a molecular weight of 2,000 or more.

Solar cell module, electronic device, and power supply module

A photoelectric conversion element may include a first substrate, a first transparent electrode disposed on the first substrate, a hole-blocking layer disposed on the first transparent electrode, an electron-transporting layer that is disposed on the hole-blocking layer and includes an electron-transporting semiconductor on a surface of which a photosensitizing compound is adsorbed, a hole-transporting layer that is connected to the electron-transporting layer and includes a hole-transporting material, and a second electrode disposed on the hole-transporting layer, wherein the photoelectric conversion element includes an output extraction terminal part configured to extract electricity out from the photoelectric conversion element, and the output extraction terminal part is formed with a plurality of micropores piercing through the hole-blocking layer.

Photoelectric conversion element

Provided is a solar cell module including photoelectric conversion elements, wherein each of the photoelectric conversion elements includes a first substrate, and a first electrode, a hole blocking layer, an electron transport layer, a hole transport layer, a second electrode, and a second substrate on the first substrate, and a sealing member between the first substrate and the second substrate, and wherein, within at least two of the photoelectric conversion elements adjacent to each other, the hole-blocking layers are not extended to each other but the hole transport layers are in a state of a continuous layer where the hole transport layers are extended to each other.

Solar cell module

A photoelectric conversion module includes a substrate, a photoelectric conversion element mounted on the substrate, and a connector mounted on the substrate, the connector including a terminal that is electrically coupled to the photoelectric conversion element, wherein the connector is configured such that coupling the connector to a connector of another photoelectric conversion module causes the photoelectric conversion element to be electrically coupled to a photoelectric conversion element of the another photoelectric conversion module.

Photoelectric conversion module and photoelectric conversion module array

A photoelectric conversion element is provided. The photoelectric conversion element comprises a substrate, a first electrode, an electron transport layer, a hole transport layer, and a second electrode. The electron transport layer comprises a photosensitizing compound. The hole transport layer comprises a basic compound A and an ionic compound B. The basic compound A is represented by the following formula (1): where each of Rand Rindependently represents an alkyl group or an aromatic hydrocarbon group, or Rand Rshare bond connectivity to form a nitrogen-containing heterocyclic ring; and the ionic compound B is represented by the following formula (2): where Xrepresents a counter cation.

Photoelectric conversion element and solar cell

To provide a photoelectric conversion element, including a first substrate, a first transparent electrode disposed on the first substrate, a hole-blocking layer disposed on the first transparent electrode, an electron-transporting layer that is disposed on the hole-blocking layer and includes an electron-transporting semiconductor on a surface of which a photosensitizing compound is adsorbed, a hole-transporting layer that is connected to the electron-transporting layer and includes a hole-transporting material, and a second electrode disposed on the hole-transporting layer, wherein the photoelectric conversion element includes an output extraction terminal part configured to extract electricity out from the photoelectric conversion element, and the output extraction terminal part is formed with a plurality of micropores piercing through the hole-blocking layer.

A photoelectric conversion element including a first electrode, an electron transport layer on the first electrode, a charge transfer layer, and a second electrode is provided. The electron transport layer includes an electron transport compound, and the electron transport compound carries a compound represented by the following formula (1) and a compound represented by the following formula (2): where each of Xand Xindependently represents oxygen atom, sulfur atom, or selenium atom; Rrepresents methine group; Rrepresents an alkyl group, an aryl group, or a heterocyclic group; each of Rindependently represents an acidic group; m represents an integer of 1 or 2; and each of Zand Zindependently represents a group forming a cyclic structure;R&#x2014;R&#x2014;COOH&#x2003;&#x2003;Formula (2)where Rrepresents an aryl group or a heterocyclic group; and Rrepresents an alkyl group, an alkoxy group, an alkenyl group, an alkylthio group, or an aryl ether group.

An information processing apparatus includes: a first receiving unit that receives pieces of user information on a plurality of users from a plurality of information processing terminals used by the users; an authentication processing unit that performs authentication processing of the users based on the pieces of user information; a first generating unit that generates screen information on a screen used to operate the information processing apparatus for each of the authenticated users; and a first transmitting unit that transmits the screen information to the information processing terminals used by the users corresponding thereto.

Information processing apparatus, information processing terminal, and information processing system

A small, simple current-injection diamond ultraviolet light-emitting device comprising a high-quality diamond grown by chemical vapor deposition (CVD) method (), a surface conductive layer () provided on the surface of the diamond, and electrodes () provided on the surface conductive layer. The device is a free-exciton recombination emission diamond ultraviolet light-emitting device comprising a CVD diamond crystal where the free-exciton recombination radiation (235 nm) caused by current injection is dominant.

Diamond ultraviolet light-emitting device

A diamond ultraviolet luminescent element () having a current-injection light-emitting diode structure includes a high-quality boron-doped p-type diamond crystal (semiconductor layer) () synthesized by the high pressure and high temperature method; a phosphorous-doped n-type diamond crystal (n-type semiconductor layer) () formed on the first diamond surface by the chemical vapor deposition; an electrode () formed on the surface of the n-type semiconductor layer (); and an electrode () formed on the surface of the p-type semiconductor layer (). The luminescence (235 nm) attributed to the recombination of free excitons resulting from current injection dominates in ultraviolet wavelength region ().

Growing community of inventors

Shizuoka, Japan

Takahiro Ide