Photoelectric conversion device
First Claim
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1. A photoelectric conversion device, comprising:
- a first substrate and a second substrate facing each other and having a space between the first substrate and the second substrate, the first substrate comprising a flat outer surface facing away the second substrate and a flat inner surface facing towards the second substrate, the second substrate comprising a flat outer surface facing away the first substrate and a flat inner surface facing towards the first substrate, the space having a thickness corresponding to a distance between the first and second substrates;
a first electrode being arranged on the first substrate, the first electrode comprising a transparent conductive layer formed of a first material and a conductive grid electrode formed of a second material disposed on the transparent conductive layer and a semiconductor layer formed of a third material disposed on the grid electrode, with the first, second and third material being different from each other;
a second electrode being arranged on the second substrate;
an electrolyte arranged within the space between the first substrate and the second substrate;
an electrolyte injecting aperture arranged on the first substrate to inject said electrolyte into said space; and
a sealing structure sealing the electrolyte injecting aperture, the sealing structure comprising a water vapor absorption material to absorb water, the sealing structure comprising a first portion disposed within the electrolyte injecting aperture and a second portion disposed in the space between the first and second substrates, the second portion radially extending from an end of the first portion, a thickness of the second portion of the sealing structure being equal to the thickness of the space, the sealing structure protruding from the outer surface of the first substrate towards an exterior of the photoelectric conversion device, the sealing structure protruding from the inner surface of the first substrate and terminating at the inner surface of the second substrate.
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Abstract
A photoelectric conversion device that includes a first substrate and a second substrate facing each other and having a space between the first substrate and the second substrate, a first electrode being arranged on the first substrate, a second electrode being arranged on the second substrate, an electrolyte arranged within the space between the first substrate and the second substrate, an electrolyte injecting aperture arranged on the first substrate to inject said electrolyte into said space and a sealing structure to seal the electrolyte injecting aperture, the sealing structure includes a water vapor absorption material to absorb water.
14 Citations
18 Claims
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1. A photoelectric conversion device, comprising:
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a first substrate and a second substrate facing each other and having a space between the first substrate and the second substrate, the first substrate comprising a flat outer surface facing away the second substrate and a flat inner surface facing towards the second substrate, the second substrate comprising a flat outer surface facing away the first substrate and a flat inner surface facing towards the first substrate, the space having a thickness corresponding to a distance between the first and second substrates; a first electrode being arranged on the first substrate, the first electrode comprising a transparent conductive layer formed of a first material and a conductive grid electrode formed of a second material disposed on the transparent conductive layer and a semiconductor layer formed of a third material disposed on the grid electrode, with the first, second and third material being different from each other; a second electrode being arranged on the second substrate; an electrolyte arranged within the space between the first substrate and the second substrate; an electrolyte injecting aperture arranged on the first substrate to inject said electrolyte into said space; and a sealing structure sealing the electrolyte injecting aperture, the sealing structure comprising a water vapor absorption material to absorb water, the sealing structure comprising a first portion disposed within the electrolyte injecting aperture and a second portion disposed in the space between the first and second substrates, the second portion radially extending from an end of the first portion, a thickness of the second portion of the sealing structure being equal to the thickness of the space, the sealing structure protruding from the outer surface of the first substrate towards an exterior of the photoelectric conversion device, the sealing structure protruding from the inner surface of the first substrate and terminating at the inner surface of the second substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A photoelectric conversion device, comprising:
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a light receiving substrate having a photoelectrode arranged thereon, the photoelectrode comprising a transparent conductive layer formed of a first material and a conductive grid electrode formed of a second material disposed on the transparent conductive layer and a semiconductor layer formed of a third material disposed on the grid electrode, with the first, second and third material being different from each other; a counter substrate facing the light receiving substrate, a counter electrode being arranged on the counter substrate, the light receiving substrate comprising a flat outer surface facing away the counter substrate and a flat inner surface facing towards the counter substrate, the counter substrate comprising a flat outer surface facing away the light receiving substrate and a flat inner surface facing towards the light receiving substrate; an electrolyte arranged in a space between the light receiving substrate and the counter substrate, the space having a thickness corresponding to a distance between the light receiving substrate and counter substrates; an electrolyte injecting aperture arranged in a thickness direction of the light receiving substrate to inject said electrolyte; and a water-absorbing filler arranged within the electrolyte injecting aperture to seal the electrolyte within the space between the light receiving substrate and the counter substrate, wherein the water-absorbing filler includes a water vapor absorption material to absorb water and a resin base material that contains the water vapor absorption material, the water-absorbing filler comprising a first portion disposed within the electrolyte injecting aperture and a second portion disposed in the space between the light receiving substrate and counter substrates, the second portion radially extending from an end of the first portion, a thickness of the second portion of the sealing structure being equal to the thickness of the space, the filler protruding from the outer surface of the light receiving substrate towards an exterior of the photoelectric conversion device, the filler protruding from the inner surface of the light receiving substrate and terminating at the inner surface of the counter substrate.
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Specification